Hydropool® Compatible 75 Sq Ft Filter Cartridge OEM Fit 4520008
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Key Features & Benefits
Superior Filtration Technology
Features 75 square feet of high-efficiency filtration area to capture more contaminants with each cycle. Premium pleated polyester media traps particles down to 10–15 microns while maintaining strong water flow and circulation.
High-Performance Flow & Extended Filter Life
Engineered for seamless compatibility with original mounting points for secure placement.Engineered to handle high flow rates without restricting jet pressure or performance. Durable construction supports a service life of 12–24 months with proper maintenance, reducing the need for frequent replacements.
Perfect OEM Fit for Hydropool Systems
Designed to match original Hydropool factory specifications for a precise, drop-in fit. Reinforced end caps and a precision-molded core help ensure a proper seal and prevent water bypass.
Enhanced Seal & Structural Integrity
Heavy-duty thermoplastic end caps and internal core maintain stability under pressure. This ensures consistent filtration performance and reliable operation within the filter housing.
Easy Maintenance & Cost-Effective Performance
Fully cleanable design allows for simple monthly rinsing and periodic deep cleaning. Reusable construction reduces long-term costs while supporting efficient water care and lower chemical usage.
Improved Water Quality & Equipment Protection
Effectively removes oils, debris, and organic contaminants to maintain clean, balanced water. Proper filtration helps protect pumps, heaters, and jets, extending the life of your spa system.
Product Overview
This replacement filter cartridge is precision-engineered for Hydropool hot tubs and swim spas requiring 75 square feet of filtration surface. Featuring advanced pleated polyester media, this cartridge captures debris, body oils, lotions, and contaminants as small as 10-15 microns—ensuring your spa water remains sparkling clean between chemical treatments and maintenance cycles.
Compatible Part Numbers:
- Hydropool 4520008
- Direct OEM-fit replacement
- Fits multiple Hydropool hot tub and swim spa models
Frequently Asked Questions
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Replace your Hydropool filter cartridge every 12-24 months depending on usage intensity. Daily users should replace annually, while occasional users can extend to 24 months with diligent monthly rinsing and quarterly deep cleaning.
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Part #4520008 is the OEM replacement filter for various Hydropool hot tub and swim spa models requiring 75 square feet of filtration. Verify compatibility by checking your current filter label or owner's manual.
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Yes! This filter is designed for multiple cleanings. Rinse monthly with a garden hose and deep clean quarterly by soaking in filter cleaner solution for 8-12 hours. Proper maintenance extends life to 12-24 months.
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This filter captures particles down to 10-15 microns, effectively removing dirt, body oils, lotions, cosmetics, and fine debris while maintaining optimal water flow for your spa's circulation system.
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Cloudy water with a clean filter usually indicates water chemistry imbalance (high pH, low sanitizer), high total dissolved solids, or a filter that's reached end-of-life and can't effectively trap particles anymore. Test and balance water chemistry first, then consider filter replacement.
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Yes, always rinse a new filter cartridge thoroughly with clean water before first use. This removes manufacturing residue, dust, and prepares the filter media for optimal performance and longevity.
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Replace your filter if it shows visible damage (tears, holes), won't come clean after deep cleaning, is over 2 years old, or if you experience persistent cloudy water and weak flow despite proper chemistry and cleaning.
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