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® 10-2870 filter cartridge is a genuine OEM Microban®-infused replacement for Bullfrog® spas produced from 2003 onward (excluding STIL models). It provides 35 square feet of pleated media for efficient filtration and exceptional water clarity. The filter integrates Microban® antimicrobial protection to resist mold, mildew, and bacterial growth on the media surface. It features a closed top semi-circular handle and a 2″ SAE coarse threaded bottom for secure fit. This cartridge replaces earlier models such as 10-1035 and 10-2785 and is compatible with many alternative filter codes (e.g. Pleatco PBF35, Unicel 8CH-950). Regular use and timely replacement of this cartridge help preserve spa pump and heater life while maintaining water quality.