Bullfrog A / R / X Series 10-00282 | Filter Cartridges Brand_Big Green Egg etching of plaster

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tough urethane end caps built to last the life of the cartridge

steady release of conditioning minerals that work alongside the SmartChlor® cartridge to keep your water clean

but the math runs the other way — the minerals are what make the low-chlorine approach work at all

Bullfrog A / R / X Series 10-00282 | Filter Cartridges Brand_Big Green Egg etching of plasterBullfrog A R X Series 10 00282 Filter Cartridges are the genuine coreless replacement filters built specifically for Bullfrog Spas A, R, and X Series hot tubs (2018 to current). Sold as a 2 pack, this is the Original Coreless Spa filter a premium pleated media paired with Bullfrog's distinctive coreless construction for cleaner, clearer water and easier maintenance. Your spa filter is the single hardest working component in your water care system.