SpiroPure Replacement for Bullfrog Spa Filter PBF36 Wellspring 10-2870 Pleatco PBF36-M Unicel 8CH-951 Bullfrog 35 Hot Tub Spa Pool Cartridge (SAE Long Thread Version)

Easy to install, durable filter cartridges that allow for high filtration performance and efficiency. A strong inner core means increased strength without hindering moisture flow or filtration performance. SpiroPure pool and spa filter cartridges offer long-lasting, durable filter media with high dirt holding capacity for clear, sparkling aqua in your pool or hot tub spa. Outer Diameter: 7 7/8" Length: 5 3/4" Top Style: Closed Handle; Bottom Style: 2" SAE Threaded (Long Thread); Media: 35 SF suitable with Bullfrog 35, 2013-2017 (Long Thread), Bullfrog / Wellspring 10-2870, FC9949 / FC-9949, Pleatco PBF36 / PBF36-M, and Unicel 8CH-951