Filbur pool cartridge filters are the most complete pool water filter cartridges on the market. Made with premium polyester filter media, the Filbur pool and spa filters grant crystal clear, clean water by removing dirt and impurities. They also help protect against bacteria and other microbial contaminants. These pool filters meet or exceed OEM specifications, offering 3 to 5 times longer filter life than other leading brands. And many pool owners love the Filbur line because they are reusable! Shop our large collection of Filbur pool and spa cartridge filters below to find the right fit for your pool and spa.