Fits 10” Captive Purity RO/DI Canisters.
O-rings can wear out over time on RO/DI filters and cause leaks. Replace your o-rings and avoid future problems. Do not over-tighten your canister housings as it may cause cracking and o-ring failure.
*please note that these o-ring are made to fit Captive Purity 10” canisters. May not be compatible with other brands.
Captive Purity manufactures water filtration and water testing supplies for marine and reef aquaria. The brand is best known for their high-quality line of reverse osmosis filter systems and accessories. Captive Purity also produces refractometers for testing salinity, portable pen-sized meters for testing pH as well as replacement filter media for their RO and RO/DI filter systems.