Refillable cartridges are used to fill a wide range of medias such as DI resin, carbon, KDF, nitrate reduction etc. Includes a foam padding to ensure a leak free install. Make sure to tightly pack the media to ensure proper filtration. This is the most environmentally friendly and cost effective way of using cartridges. Available in 4 Sizes: 2.5" OD x 10" L Cartridge (Standard - most used cartridge size for RO systems) 4.5" OD x 10" L Cartridge 2.5" OD x 20" L Cartridge 4.5" OD x 20" L Cartridge Process of refilling an empty cartridge: Unscrew the top cap from the cartridge. Remove foam padding. Pour in media. Pack tightly and keep on tapping on a counter to ensure all the media is securely inside. Media should be tightly packed to the rim. Put foam padding back inside and screw cap on. Make sure the top cap side of the cartridge is up when putting back in canister. Important Note : Accurately filling a cartridge will ensure proper performance by preventing reverse osmosis treated water from passing through media.
