Replacement Cartridge for System 3, Hex 5 and Explorers - 3 pk The green, Rite-Size Z Replacement Cartridges fits the Eclipse System Three and the Eclipse Explorers. Each cartridge contains 1 oz of super activated carbon and a double-thick polyfiber pad. The horizontal design with ribbed backing ensures even carbon distribution and no water bypass.
Rite-Size Cartridge: Z