The Filbur 09-77850 is a compatible replacement for the following water filters:
The Filbur 09-77850 50 Micron Pool & Spa Filter is a replacement water filter cartridge for your pool or spa. This Filbur pool filter has a 50 micron rating for reducing impurities in your pool or spa water. The Plastisol end caps and pleated polyester media of this 50 micron filter offer strength, durability, and premium water filtration.
Filbur 09-77850 50 Micron Pool & Spa Filter specifications: