About This

• 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

Overview

• Material : Carbon Fiber
• Item Weight : 0.04 Kilograms
• Product Benefits : Removes odor and discoloration
• Brand : ShuRex
• Unit Count : 1.0 Count