The Harmsco 801-0.35/20W filter cartridge fits the following housings:
The Harmsco 801-0.35/20W Pleated Filter Cartridge is a pleated water filter that improves the taste and quality of drinking water by reducing sediment and other contaminants with its 0.35 micron rating. This sediment filter traps debris in its pleated polyester media with high surface area. This 20" water filter has a flow rate of 12 gallons per minute and is thermally bonded for better sealing.
Harmsco 801-0.35/20W Pleated Filter Cartridge specifications: