The Aqua Flo DG-25-1-20BBV cartridge fits the following housings:
The Aqua-Flo Gradient 1 Mic. Sediment Filter is a dual gradient density water filter cartridge with a 25 micron pre-filter outer layer and 1 micron post filter inner layer. This well water filter reduces sediment and other particles in water through dual layer media that traps larger contaminants in the outer layer and finer particles in the inner layer. This whole house sediment filter measures 20 inches in length with a 4.5 inch diameter.
Aqua-Flo Gradient 1 Mic. Sediment Filter - 20" BB specifications: