driamor 16 Pack Filter Cartridges Compatible with EF-S Element and BF5 BETTAFLO Filter, Thickened Fish Tank Replacement Filters Cartridge with Zeolite

Features

• Four-Stage Filtration: The filter is made of thicked cotton, Better thickness provides better filtration, 12 grams of active carbon, 5 grams of zeolite, which can effectively filter and absorb impurities in the water, especially absorb ammonia and nitrogen in the water, to keep the clean water source and provide the healthy growth environment for fish.