The Unicel 5CH-203 R is a compatible replacement for the following pool and spa filter:
The Unicel 5CH-203 - Comp. Pool and Spa Water Filter has a diameter of 5 3/8 inches and is 8 1/2 inches long. This Unicel pool filter has a closed top and 3 inch Male Pipe Threads (MPT) on the bottom. This Unicel pool filter cartridge contains 30 square feet of filter media. This Unicel filter will keep your pool or spa water clean and clear.