The Filbur 20-23401 is a compatible replacement for the following water filters:
The Filbur 20" 1 Micron Pool and Spa Water Filter is a replacement water filter cartridge used to purify pool/spa water. This Filbur pool filter is constructed with Plastisol end caps and pleated polyester media with a 50 micron rating for reducing impurities. This 1 micron filter is both cleanable and reusable. This pleated pool filter is also known by part number 20-23401.
Filbur 20" 1 Micron Pool and Spa Water Filter specifications: