The Filbur 21-23405 is a compatible replacement for the following water filters:
The Filbur 21-23405 5 Micron Pool/Spa Water Filter is a replacement water filter cartridge that reduces impurities in your pool and spa water through specially constructed pleated polyester filter media. This pleated pool filter is manufactured with a 5 micron rating that makes it highly efficient at purifying water. This 5 micron filter also includes Plastisol end caps that offer additional durability and strength. This Filbur pool filter can be cleaned and reused, and prevents surface blinding, which allows for the continuous flow of water.
Filbur 21-23405 5 Micron Pool/Spa Water Filter specifications: