Zuqqony 15 Pack PF-L Filter Cartridges for Top Fin Silenstream PF20, PF30, PF40 and PF75 Power Filters, Remplacement Aquarium Carbon Cartridge with Zeolite

Ideal Replacement Cartridges with Strong Compatibility - It is perfect compatible with Top Fin PF20, PF30, PF40 and PF75 Power Filters. The specific size of our aquarium filter cartridges is 6 in L x 4.5 in W. With this aquarium filter cartridge, you can keep your water healthy and clean every moment., Excellent Filtration Performance - The filter cartridges is made of high density cotton + 50% more nutshell activated carbon + zeolite, which has 4-layer filtering effect to filter and absorb 99% of the impurities, especially absorb ammonia and nitrogen in the water. So as to keep the water source clean and the healthy growth of fish., Long-term Replacement of the Aquarium Filter - For the health of your fish and other creature, suggest to change filter cartridge every 2-4 weeks to keep the water source healthy and clean at all times. The filter cotton has fully absorbed and filtered the impurities in the aquarium., Easy to Install: Please remove used cartridge and rinse new cartridges with water to remove the outside dust, then fully seat it into the filter chamber. Replace it every 2 to 4 weeks to maintain a healthy water environment. Protect the health and safety of your fish all the time., High-quality After-sales Service: Zuqqony produces high-quality filter cartridges for fish tank, and is in a leading position in the quality and craftsmanship of all our products. We maintain a thorough quality control process to ensure compatibility with QuietFlow models. If you have any questions, please feel free to contact us!