Home Master ISet-TMHP-MY12 Hydro Perfection Replacement Filter Change Set Fits Home Master Hydro Perfection Highest quality sediment, catalytic carbon, KDF 85 media and artesian minerals with UV sterilizer Uses modular filters where the filter element and housing are all-in-one assembly for quick and easy annual filter changes - no wrenches required 1/4 in. quick connect fittings on sediment and iron pre-filters 3/8-inch quick connect fittings on artesian post filter