Product Information
About
Perfect replacement for Tetra Small Filter Cartridges S Size; works for 3~10 gallons small fish tank filters; Measures 4" x 2.2" (L x W), fits many brands of Small HOB filters. Please check compatibility before purchasing.
In a three-layer filtration design, double-layer microfiber cotton can effectively absorb solid impurities such as debris, and fish waste; and the inner layer of activated carbon can absorb odor and discoloration, reduce fishy smell, improve yellow water, and improve water quality. Clearwater provides you with a better fish-viewing effect.
Convenient to replace and install, and even no need to get your hands or even fingers wet
Replace the filter cartridge every 3 to 4 weeks if there is reduced water flow.
6 Pack – 1/2 Year Supply, Continuous, high-efficiency, low-cost, replacement Refills
