Koller Products Small Replacement Filter Cartridges, 6 Pack for Koller Products Aquarium Kits with Power Filters

Efficient Filtration: Advanced filtration technology removes organic impurities, debris, and harmful substances; maintains crystal-clear, healthy water for your fish.

Removes Debris: Dual-sided poly-fiber shell captures fish waste and other debris; enhances water clarity.

WIDELY APPLICABLE - Suitable for 3-10 gallon aquariums, from small home aquariums to large professional aquariums, it provides superior filtration for your aquarium ecosystem. (Note: product may ship in white SIOC packaging depending on demographic region)

FULLY ASSEMBLED - Ready-to-use cartridges with easy grip tap keeps hands from getting wet. New activated carbon should be rinsed with water before use to remove dust and tiny particles from the surface. (Replacement every 3-4 weeks is recommended to ensure its effectiveness)

Size Small: Compatible with various power filters, including models for Koller Products 4.5-gallon to 7-gallon tanks; check dimensions to ensure proper fit.