Genuine OEM Bullfrog® Wellspring 282 filter cartridges, packaged as a 2‑pack for convenient replacements. Designed to fit Bullfrog® A‑Series, R‑Series, and X‑Series spas manufactured from 2018 to present. Can be retrofitted to 2013–2017 Bullfrog models using the Filter Cage Adapter #10‑00417. Coreless design eliminates the need for a plastic center core, reducing waste and increasing water flow efficiency. High-quality filtration media captures debris and particles down to approximately 20 microns, keeping spa water clean and clear. OEM filter ensures proper fit and performance, protecting spa pumps, heaters, and other internal components. Each pack contains two Wellspring 282 filters, ideal for replacing both primary and circulation filters at the same time.

Bullfrog’s Simplicity® Flat Filters (Part #10-00814) are designed to offer unmatched filtration performance and ease of maintenance for the M Series, Swim Series, and 2023–present A Series spas. These innovative flat-style filters eliminate the waste and inefficiency of cylindrical cartridges by using 100% of the filtration surface, delivering better water clarity with less effort. The plastic-free design is eco-conscious and easily rinsed clean, or simply replaced monthly for zero mess. Fits Bullfrog M Series, Swim Series, and A Series (2023–present) Flat, plastic-free design maximizes filtration area for better performance Improves efficiency and reduces filter waste over time Easy monthly maintenance – rinse clean or replace in seconds Genuine OEM filters (Part #10-00814) for a perfect fit and reliable function Package includes 4 flat filters Ideal for spa owners who want convenience, clarity, and cost control

Genuine Bullfrog® Spas coreless filter cartridge 2-pack for STIL Series spas from 2018 to present Engineered for Bullfrog's Wellspring™ filtration system—no internal core means improved water flow and reduced maintenance Filters out fine debris, oils, and particulates to help keep spa water clean and clear Durable, pleated filtration media provides long-lasting performance and easy rinse-and-reuse functionality Designed to fit perfectly in STIL Series spas without modification or adapters OEM-quality filter ensures optimal spa performance and protection for pumps and heaters Each 2-pack provides a complete filter change for most STIL models Recommended replacement interval: every 3–6 months depending on spa usage and water quality

The Bullfrog Spas Filter Cartridge with Microban® (Part #10-2870) is a factory-original replacement designed for optimal performance in A Series, R Series, and X Series spas built from 2013 to 2016. This high-quality filter features Microban® antimicrobial technology, which helps inhibit the growth of bacteria and mold on the filter media—extending the life of your filter and improving your water quality. If you're considering a coreless upgrade, this filter can be replaced with compatible coreless cartridges using an optional Filter Cage Core (#10-00417). Fits Bullfrog A Series, R Series, and X Series spas (2013–2016) Genuine OEM filter (Part #10-2870) ensures perfect fit and filtration performance Features Microban® antimicrobial technology to resist bacteria and extend filter life Pleated filtration media traps fine particles and debris efficiently Improves water clarity, hygiene, and overall system performance Easy to install and replace as part of routine spa maintenance Can be replaced with coreless filter #10-00416 or #10-00810 (requires filter cage core #10-00417) Choose this Bullfrog filter to keep your spa water cleaner, clearer, and safer—session after session.