Clear Choice offers a full line of Pool/Spa replacement cartridge filter compatible with most swimming pool/hot tub spa filtration system. Clear Choice CCP340 replacement cartridge filter for Advanced, LA Spa, Top Load 30 sq. ft. gives you the right balance of simple operation and maintenance, affordability, and quality that could reduce your regular pool maintenance budget down significantly.Using only the highest quality 4oz Reemay Spunbond Poly Filter Media and made to OEM specifications, each Clear Choice CCP340 pool and spa replacement cartridge filters contains no binders, so the filtering area is not limited and there are no potential contaminants leaching out during the filtration process therefore maximizing the effectiveness of filtering out any accumulating bacteria, mold and algae that can be present in swimming pools or hot tub spa. This antimicrobial property gives your swimming pool/spa continuous protection against microbes and microorganism invisible to the naked eye thus Clear Choice CCP340 replacement cartridge filter delivers commercial-grade performance that keeps your swimming pools/spas clean and sparkling water all year round – day in and day out.Clear Choice CCP340 replacement cartridge filter for Advanced, LA Spa, Top Load 30 sq. ft. is also compatible with other OEM/Aftermarket cartridge filters including Baleen AK-9005, Filbur FC-3091, Neptune 25R4030, Pleatco PTL25-H W/PAD, Unicel 4CH-30.