About This 【Perfectly Compatible】Rite-Size C filter cartridges are specifically designed for Penguin Power Filters, including the PRO Power Filters 275/375 and Original Penguin Power Filters 200/350 【Quick and Easy Installation】Simply rinse the fish tank filter under cool water to remove carbon dust, align the bottom key slot, and insert it into the filter chamber. No tools required for a hassle-free setup. 【High-Quality Filtration】350 aquarium filter made from premium cotton and coconut shell activated carbon, these cartridges deliver triple filtration, capturing debris, fish waste, and purifying water for a fresh, healthy environment. 【Reliable and Long-Lasting Performance】Replace 375 fish filters for aquariums every 2-4 weeks to maintain peak filtration efficiency, as the activated carbon's adsorption capacity diminishes over time. The 6-Pack ensures continuous use and convenience for your aquarium. 【Service】Please don't hesitate to reach out to us at any time if you have any doubts or inquiries about our products. We are here to respond to your questions as promptly as possible.
