12 PCS Aquarium Filter Cartridge Filters, Rite-Size C (EZ-Change #3) Fish Tank Filter Cartridge, Replacement with Power Filters 275/375 Power Filters 200/350

【Package Filter Contents】12 pieces of fish filter cartridges, compatiable with 20-40 & 30-60 power filters (EZ-Change#3) & PRO Power Filters 275 375 & for Original Penguin Power Filters 200 350 ( Rite-Size C).

【Enhanced Filtration Efficiency】Each filter cartridge features dense filter cotton that effectively absorbs various debris and fish waste. The grid design ensures optimal contact between the activated carbon and water, maximizing deodorization and purification, providing your pets with a fresh and comfortable habitat while reducing manual tank cleaning time.

【Hassle-Free Assembly】Simplify installation with our easy-to-follow steps. Just remove the used cartridge, rinse the new one under cold water, and easily insert it into the filter chamber to keep your fish healthy and safe without complications.

【Tool-Free Change】You can easily replace the old fish tank filter cartridge without any tools. Our engineers recommend replacing it every 2-4 weeks, as the adsorption capacity of activated carbon is limited, to ensure optimal performance.

【Friendly Service】As a brand seller, we stand behind your purchase with a one-year warranty from the date of purchase. If you have any questions or issues regarding our aquarium filter cartridge, please reach out to us, and we will do our utmost to assist you.