The Millenium 6 X 8 R is a compatible replacement for the following pool filter cartridges:
The Millenium Spas 6" X 8 1/4" - Comp. Pool Filter is a pool and spa filter with 40 sq. ft. of media area. This pool filter measures 8 1/4" x 6", has a closed top hole with a Crescent Handle top style, and a 1 1/2" SAE bottom style. This pleated pool filter reduces contaminants within swimming pool and spa water, while also improving clarity.