This easy to install replacement filter cartridge can be used in a 36 square feet Marquis Spa. With the technical specifications complied with that of OEM# C5636, the respective product can serve as the replacement for Filbur# FC-3636 and Unicel# C-5636. Further, the physical specifications of the product includes 5 3/16 inch width and 19 5/8 inch length, along with holes on both the ends. At the top it has a hole of 1 1/16 inch and at the bottom the hole is of 1 5/8 inch.
Interchangeable Part Numbers