AQUARIUM FILTER REPLACEMENTS COMPATIBLE WITH AQUA-TECH EZ-CHANGE 3 AQUARIUM FILTER. Filters are essential for premium aquarium air quality and cleaner air. They trap fine dust particles and allergens, preventing them from recirculating. Helps keep your tank free of dust, with frequent filter replacement.CLEAN AND HEALTHY LIFESTYLE: Replacing Aqua-Tech filters should help clean with premium filtration for healthier fish. The aquarium filter screens out dirt and debris. The molded ribbed back has maximum water-to-carbon contact. The filter removes odors, discolorations, and impurities. Change the used filter monthly. Ensure elimination of toxic ammonia and nitrite while avoiding clogging.SIMPLE AND EASY TO INSTALL: Switch out in less than five minutes, providing time efficiency. Get back to daily activity quickly and make a big difference with filtration in the process. Simply remove the older and dirty filter and replace. It fits well with Aqua-Tech aquarium filter cartridge. Enjoy a clean, fresh, aquarium for healthier fish by using premium, heavy duty equipment, filters and clean water.LONG LASTING REPLACEMENT AQUARIUM FILTER: The aquarium filter is washable and reusable ensuring long life. Replace the Aqua-Tech filter every 2 to 4 weeks for optimal performance or 10 to 12 times per year depending upon usage. When a clogged or dirty, it can cause the aquarium to work harder and impact utility bills. We deliver high quality, durable and long lasting replacements. Aquarium filters are extremely important for your AquaTech filtration system.colour:BlueMaterial:plasticPackage Contents:6 x Aquarium filterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.