Hydropool
Hydropool® 75 sq ft Filter Cartridge w/ Removable Core – ...
$125.95
Genuine Hydropool® 75 square foot replacement filter cartridge, part #4520030 (also known as PRC75)
Features a removable inner core design for improved water flow and simplified cleaning
Compatible with most Hydropool Self-Cleaning and Serenity hot tubs and swim spas using the PRC75 filter system
Made from premium pleated polyester media for optimal debris capture and longer filtration cycles
Open top and bottom end caps (2-15/16" ID) for secure fit and easy installation
Helps maintain crystal-clear spa water by trapping dirt, oils, and other contaminants
Durable construction resists spa chemicals and high-pressure water flows
Replaces OEM and aftermarket filters with matching dimensions and specs
Hydropool
Hydropool® Compatible 75 Sq Ft Filter Cartridge – OEM Fit...
$55.95
One-piece, no-core design filter cartridge offering 75 sq ft of pleated filtration media to trap sediment, oils, and particles as fine as 10 microns, ensuring clear, healthy spa water.
Compatible with Hydropool Self‑Cleaning models—AquaSport, AquaTrainer, Executive Sport/Trainer 16EX/19EX, and 19DTAX produced from 2021 to 2025.
Constructed with matching top and bottom ports sized at 2⅛″ (54 mm), simplifying installation without adapters or core assembly.
Compact yet powerful—measuring approximately 20⅛″ long with a 5″ diameter—to fit tight filter housings while maximizing water flow and capacity.
Durable spunbond polyester media resists high-temperature spa environments, chemical exposure, and repeated cleanings to provide extended service life.
No separate core to manage—just rinse weekly and deep clean monthly; replace every 12 months depending on usage to maintain peak performance.
OEM-level construction ensures optimal pump and heater protection by enhancing flow and blocking contaminants effectively.
Ideal for Hydropool spa owners and service techs seeking cost-effective, reliable filtration without sacrificing brand compatibility.
Jacuzzi Hot Tubs
Jacuzzi® OEM 2540‑383J Filter Cartridge – 75 Sq Ft ProCle...
$101.59
Genuine Jacuzzi® OEM ProClear II filter cartridge (part #2540‑383J), engineered for powerful filtration and long-term spa protection
Provides 75 sq ft of premium Reemay® pleated media to effectively trap oils, debris, and contaminants from hot tub water
Designed for Jacuzzi® J‑465™, J‑470™, and J‑480™ models manufactured between 2006 and 2011
Features a twist-on cap with handle for easy installation and removal, plus a bottom 2.375" SAE coarse threaded fitting
Compatible with ProClear Mineral cartridges (not included) for added sanitizing power
Dimensions: ~6" diameter × 19" length
Replace every 12–18 months or as needed for clean, healthy water circulation
Sundance Spas
Sundance® 880 MicroClean Outer Filter (2024+) – part #647...
$102.11
Genuine Sundance® OEM MicroClean Outer Filter designed specifically for 880 Series spas manufactured in 2024 and newer.
Works in conjunction with the MicroClean Inner Filter to deliver advanced water filtration, removing fine debris and contaminants.
Features a high-quality, pleated media material engineered for optimal water flow and extended filter life.
Designed to trap particles as small as 1–5 microns, improving water clarity and reducing sanitizer demand.
Easy to install and replace without tools, ensuring hassle-free maintenance for your spa system.
Durable, spa-grade construction that resists breakdown from hot water, chemicals, and frequent cleaning cycles.
OEM replacement part guarantees a perfect fit and performance compared to aftermarket alternatives.
Sundance Spas
Sundance® 50 Sq/Ft Filter Cartridge Replacement (2006–202...
$51.10
OEM pleated Reemay® fabric filter cartridge designed for Sundance® and Jacuzzi® spas.
Provides 50 sq ft of filtration area to capture fine debris and maintain crystal-clear water flow.
Dual open-end design with 2 1/8″ inside diameter fits most hot tub filter housing.
Durable and easy-to-clean—rinsable and reusable for 12–18 months.
Compatible with Sundance models like Burlington, Denali, Edison, Peyton, McKinley, Prado (2006–2022) and more.
Equivalent to Filbur FC‑2390, Unicel C‑4950, Pleatco PRB50‑IN, and Jacuzzi OEM 172380/6540‑471.
Hot Tub Things
Hot Tub Things® Outer Filter – Sundance® 75 Sq Ft Cartrid...
$47.95
Premium replacement for Sundance® MicroClean® lower (outer) cartridge, compatible with OEM part 6540‑501S
Offers 75 sq ft filtration area using spunbound polyester media to capture fine debris for cleaner water
Dimensions match OEM: 8.5″ diameter × 14″ length, closed-top SAE threaded cap, open beveled 2.5″ bottom
Durable, washable design—rinse monthly to maintain performance, lasts multiple seasons
Compatible with OEM and aftermarket upper microfilter systems (e.g., 6540‑502, 6473‑165) in dual-stage setups
OEM cross-references: Unicel C-8380, Filbur FC-2810, Pleatco PSD85-2002, APCC7357, 18007, 80801
Easy tool-free install—slide in, restore water, and enjoy spa clarity
Jacuzzi Hot Tubs
Jacuzzi® ProClear® 95 Sq Ft Filter Cartridge – Threaded H...
$113.18
Genuine OEM Jacuzzi® ProClear® filter cartridge (part #2540‑381J) designed for effective filtration in J‑230™, J‑270™, and J‑280™ hot tubs
Provides 95 sq ft of pleated polyester media to capture oils, debris, and fine particulates, helping maintain clear, clean spa water
Compatible with Jacuzzi® J‑200 Series spas manufactured from 2007 onward, including models with ProClear circulation systems
Built with a bottom 2.125″ threaded fitting and molded top handle for easy installation and removal
Durable construction supports regular rinsing; recommended replacement every 12 months or sooner depending on usage
Measures approximately 15.5″ length × 8″ diameter for optimized flow and filtration in compact systems
Hot Tub Things
Hot Tub Things® 880 Inner Filter (2024+) – Replaces Sunda...
$39.99
Designed to replace Sundance® part #6473‑453S for 880 Series spas manufactured mid-January 2024 and later
Acts as the inner disposable filter in the MicroClean® Ultra dual-stage filtration system
Made with ultra-fine filtration media to trap oils, lotions, and microscopic debris not caught by the outer filter
Disposable, single-use design—no rinsing or cleaning required
Provides superior water clarity and helps maintain optimal performance of spa components
Easily installs inside the reusable outer filter (sold separately)
Recommended replacement interval: every 3–4 months or sooner with heavy usage
Ensures clean, fresh spa water while reducing chemical demand and maintenance time
Jacuzzi Hot Tubs
Jacuzzi® ProClear® 50 Sq Ft Filter Cartridge – J-200 Seri...
$51.10
Genuine OEM Jacuzzi® ProClear® 50 Sq Ft filter cartridge designed for J-200 Series spas built from 2005–2022.
Delivers premium water clarity using Reemay® pleated filtration media for superior debris capture.
Fits J-210 (2005–2022), J-220 (2005–2008), J-230 (2005–2007), J-235/245/275 (2012–2022), and J-215/225/235/245 (2016–2022).
Universal open-end design with 2⅛″ (~2.25″) openings on top and bottom for easy drop-in replacement.
Measures approximately 13.31″ length × 4.94″ diameter to OEM specifications.
Recommended replacement every 12–18 months for optimal filtration performance.
Protects spa components by maintaining consistent water flow and clarity.
Hot Tub Things
Hot Tub Things® Outer Filter – Sundance® 125 Sq Ft Cartri...
$67.95
High-capacity outer filter cartridge, compatible with Sundance 6540‑488S (125 sq ft) and cross-references like Unicel C‑8326, Filbur FC‑2780, Pleatco PSD125‑2000
Designed for Sundance spa models (2003–2024), including Bahia, Capri, Cameo, Majesta, Marin, Maxxus, Optima, Dover, Montclair, Chelsee, etc.
Made of sturdy pleated spunbond polyester media that captures particles down to ~10 microns without shedding
Dimensions matching OEM: 8.5" diameter × 19" length, open beveled bottom hole ~2.5", closed-step top
Washable and reusable—rinse monthly; durable enough for a full season of spa use
Compatible with all sanitizers—chlorine, bromine, UV, and mineral systems
Simple tool-free installation: pull old filter and insert HTT‑6540‑488S for immediate upgrade
Sundance Spas
Sundance® 680 Series Pleated Filter (2023+) – Spa Cartrid...
$123.39
Genuine Sundance® pleated filter cartridge for 680 Series spas manufactured from March 2023 onward
High-performance pleated media traps oils, debris, and contaminants to help keep spa water crystal clear
Designed for direct fit and maximum flow in updated 680 Series spa models
Constructed with durable end caps and reinforced core for long-lasting performance
Reduces strain on pumps and heating systems while enhancing water circulation
Installs easily into the factory filter compartment—no tools required
Compatible with updated Alicia, Edison, Peyton, McKinley, and Ramona models (2023+)
Recommended replacement every 3–6 months based on spa use
Sundance Spas
Sundance® Spa Filter Cartridge – 75 Sq Ft Replacement (Un...
$195.44
Genuine Sundance® replacement filter cartridge designed for optimal water filtration in compatible Sundance spa models
Provides 75 square feet of high-quality filtration area for clean, clear water
Constructed from durable, pleated polyester media for maximum dirt-trapping capability and long-lasting use
Easy to install and maintain, allowing for quick cleaning or replacement without special tools
Helps protect spa components by capturing debris, oils, and fine particles efficiently
Designed to meet OEM standards for fit, performance, and reliability
Compatible with various Sundance Spas; refer to your spa’s manual to confirm fitment with part #6540-507S
Hot Tub Things
Hot Tub Things® 880 Outer Filter ( mid 2024+) – Replaces ...
$69.99
Compatible replacement for Sundance® part #6473‑452S used in 2024+ 880 Series models
Designed to function as the outer filter in Sundance® MicroClean® Ultra filtration systems
High-efficiency pleated design captures large particles, hair, and debris before reaching the inner filter
Built with durable, chemical-resistant materials that stand up to hot tub sanitizers and high flow rates
Supports optimized filtration when paired with the matching disposable inner filter (sold separately)
Easy to install and remove—no tools required, fits securely in 880 Series filter wells
Helps improve overall water clarity and extend the life of your spa’s internal components
Ideal for regular replacement every 3–6 months depending on spa usage and water quality
Sundance Spas
Sundance® 125 Sq/Ft Spa Filter Cartridge (1995–2001) – He...
$102.11
OEM-quality pleated filter cartridge designed specifically for Sundance® spa models from 1995–2001.
Provides 125 square feet of filtration surface area, ideal for large-volume hot tubs.
Horizontal pleat construction enhances water flow while trapping fine particles and oils.
Compatible with Sundance models including Altamar, Calypso I & II, Cameo, Capri, Marin, Maxxus, Optima, Rio, Royale, Aruba, and Bahia.
Features beveled open bottom and closed top for a precise fit in older inset filter systems.
Replaces Sundance part #6540-482 and works with several aftermarket brands.
Equivalent to Filbur FC‑2790, Unicel C‑8325, Pleatco PSD125U, and Darlly 81254.
Recommended replacement every 6–12 months based on spa usage and water quality.
Unicel
Unicel® 4CH-935 – 35 Sq Ft Waterway Replacement Spa Filte...
$46.50
Premium replacement filter cartridge for Waterway spas and other compatible systems requiring a 35 square foot cartridge.
Features high-quality Reemay® polyester media that traps dirt and debris while maintaining excellent flow.
Designed with a closed top and 2" male pipe thread (MPT) bottom fitting for easy installation and secure fit.
4-5/8" outer diameter and 10-1/2" length allow compatibility with compact spa filtration systems.
Offers long-lasting filtration performance and durability under regular spa use.
Helps protect spa pumps and jets from clogging and extends the life of your water care system.
Simple to rinse and reuse between cycles; recommended replacement every 12 months or as needed.
Manufactured by Unicel®, a trusted name in pool and spa filtration.
Jacuzzi Hot Tubs
Jacuzzi® ProClear® II 35 Sq Ft Filter Cartridge – Threade...
$62.26
OEM Jacuzzi® ProClear® II filter cartridge (#2540‑387) offers 35 sq ft of pleated Reemay® filtration media in a compact, threaded format
Designed specifically for use under the ProPolish® bag in J‑465™, J‑470™, and J‑480™ spas manufactured 2009–2012, operating with Jet Pump 1
Measures approximately 4.75″ diameter × 12.5″ length, featuring a blind‑end top with an integrated handle, and a 2.375″ coarse-threaded connection at the base for secure installation
Built as a disposable cartridge—do not rinse or reuse; replace every 3–4 months to maintain optimal flow and clarity
Ideal for removing oils, lotions, and fine debris that can degrade spa performance and water quality
Compact size makes it easy to replace while preserving high-quality filtration in per-model Jacuzzi® systems
Hydropool
Pleatco® PRC50 Dual-Core Filter Cartridge – 50 Sq Ft Remo...
$110.00
Dual-core design separates the inner support core from the outer pleated sleeve, enabling thorough cleaning and restoration of full filtration efficiency.
Provides 50 sq ft of Pleatco’s premium spunbond polyester filtration media, capturing fine debris while maintaining ideal water flow.
Measures 5″ in diameter by 13.3125″ in length with 2⅛″ top and bottom openings, allowing direct, no-modifier installation in compatible Hydropool filters.
Compatible with Hydropool models including 12FX (2020–2024), AquaSport/AquaTrainer series, and other Self-Cleaning tubs.
Removes easily for maintenance: inner core can be snapped out for separate rinsing, reducing strain on pleated media.
Durable construction resists spa chemicals and UV, supporting weekly rinsing and monthly deep clean without media damage.
Enhances spa health and component longevity by reducing clogging in pumps and heaters with greater filtration capacity.
OEM-quality replacement often cross-referenced to C‑7447, PA50SV, and Filbur FC‑1235, offering reliable performance.
Great Barrier
Great Start Pre‑Filter – Hose‑End Spa & Hot Tub Fill Filt...
$25.95
Attaches easily to standard garden hoses—no tools needed—and filters out particulate matter before it enters your spa or hot tub fill line.
Removes up to 90% of common water contaminants, including dirt, rust, sediment, calcium, iron, copper, and even bacteria—protecting spa surfaces and plumbing.
Helps prevent scaling and stains, reduce sediment load on filters, and makes chemical balancing quicker and more effective from day one.
Recommended for every fill and top-off, especially beneficial for homes on well water or in hard-water regions.
Lightweight and disposable, lasting for multiple spa fills (up to 1,200 gallons depending on water conditions), making it a convenient, maintenance-free option.
Sundance Spas
Sundance®/Jacuzzi® MicroClean® Filter Adapter – Plastic J...
$48.26
OEM adapter component for MicroClean® dual-stage filtration systems used in Sundance® and Jacuzzi® spas
Connects the pleated base filter (part #6540‑502) to the disposable top filter (part #6540‑501) to create a complete two-stage filtration stack
Constructed of durable spa-grade plastic designed to withstand regular cleaning and water exposure
Essential for proper alignment and spacing within the filter well—prevents filter slippage and ensures maximum surface contact
Compatible with Sundance® 850™ Series (2002–2005), 780™ Series (2006–2012), and Select™ Series (2011–2012) spas
Measures approximately 8.5″ in diameter and nests securely in OEM filter housings
Sold as adapter only—pleated and disposable filters sold separately
Sundance Spas
Sundance® MicroClean Mini Filter Assembly (Compatible wit...
$180.27
Genuine Sundance® OEM MicroClean Mini Complete Filter Assembly, part #6541‑460S
Designed for Sundance® 680 Series spas that use the MicroClean Mini filtration system
Includes both the inner MicroClean filter and the outer pleated cartridge for complete replacement
Delivers superior filtration by combining high-density spun-bond media with pleated outer support
Traps fine particles, oils, and debris to maintain clear, healthy spa water
Easy to install and replace—no tools required
Helps extend the life of spa components by maintaining optimal water quality
Recommended for regular replacement to ensure peak filtration efficiency
Sundance Spas
Sundance® 680 MicroClean Mini Inner Filter – Inner MicroC...
$67.16
Genuine Sundance® Spa MicroClean® Mini Inner Filter for 680 Series spas (part #6473‑283S)
Works in tandem with the outer pleated cartridge to maximize filtration performance
Captures ultra-fine particles, oils, lotions, and microscopic debris
Designed for Sundance® models manufactured from March 2023 onward: Alicia, Edison, McKinley, Prado, Peyton, and Ramona
Disposable microfiber design provides high-efficiency filtration and easy maintenance
Must be used alongside outer filter #6473‑249S for full filtration effect
Should be replaced every 3–4 months or after draining your spa
Not washable or reusable—install and discard after use
Sundance Spas
Sundance® 680 Tacoma Spa Control Panel Overlay – (2003–20...
$87.17
Genuine Sundance® control panel overlay for Tacoma models in the 680 Series from 2003 to 2006
Designed to fit the factory-installed control panel and restore legibility and appearance
Printed with durable UV- and chemical-resistant materials to withstand spa conditions
Includes pre-cut button alignment for seamless integration with your spa’s keypad layout
Ideal for replacing faded, cracked, or unreadable overlays to maintain proper operation
Easy peel-and-stick backing ensures simple, tool-free installation
Specifically designed for the Tacoma 680 Series and not interchangeable with other spa models or years
Manufactured to OEM standards to ensure a perfect fit and factory look
Hot Tub Things
Hot Tub Things® 281 Microban® Filter 2‑Pack – Compatible ...
$72.95
Designed as a direct replacement for Bullfrog® STIL Series coreless filters (Part #10‑00810), optimized for Wellspring™ filtration systems on 2018+ spas.
Made with Microban® antimicrobial technology, this filter inhibits bacteria and mold, helping to minimize unpleasant odors and reduce cleaning frequency.
Features a coreless pleated design that maximizes filtration surface area while improving water flow, and eliminates the need for rigid internal cores.
Constructed from durable media capable of capturing fine debris, oils, and contaminants, ensuring cleaner, clearer spa water.
A washable and reusable cartridge—simply rinse every 2–4 weeks and deep-clean monthly to prolong filter life and performance.
Easy to install—drop-in design, no adapters or tools required. Includes two cartridges per pack for both filter positions.
Cost-effective and eco-conscious, this replacement preserves spa efficiency while reducing plastic waste.
Unicel
Unicel® Replacement Filter Cartridge – part #C‑4975
$55.95
OEM-quality Unicel® filter cartridge, model C‑4975, designed as a direct replacement for various spa and hot tub applications.
Large pleated polyester media offers a high filtration surface area for efficient debris capture.
Built with a durable core and reinforced end caps—designed for repeated cleanings.
Compatible with multiple systems that previously used U‑29, US‑68, or C‑709 cartridges.
Easy to clean by rinsing with a hose; replace every 12–18 months for optimal performance.