This Replacement filter cartridge can be used as the replacement for Filbur FC-3637, Pleatco# PPM40-4 and Unicel# C-5637. The technical specifications are in compliance with the OEM# C5637. The 5 3/16 inch wide and 19 5/8 inch long replacement filter cartridge is best suited to be installed in a 40 square feet Amish Country, Everyday hot tubs, Hide away hot tubs, Marquis Spas and Marquis Corp. The respective product is open ended, it has a hole of 1 1/16 inch at the top and1 5/8 inch at he bottom.
Interchangeable Part Numbers