Your Shopping Cart is empty.
Give it purpose - fill it with water filters, air filters, refrigerator filters, and more.
The Filbur FC-3623 is the replacement filter for the Unicel C-5423 R.
Guaranteed to fit or your money back!
The Unicel C-5423 Comp. Pool & Spa Water Filter is a pool filter cartridge replacement constructed with 35 sq. ft. of pleated Reemay filter media for the reduction of contaminants in swimming pool and spa water. This compatible Unicel spa filter, also known as the Filbur FC-3623, measures 5 3/16" x 11 7/8" with a closed top style with loop and a 1 5/8" Open bottom style.