Description
The Rainbow RTL-25 cartridge filter (model R172502) features a 1-1/2" slip connection and top-loading design for portable spa installations. This unit mounts within a recessed niche, positioning the main filter body beneath the spa shell while providing convenient top-access for maintenance. Each complete assembly arrives with all essential components: niche lock ring for secure body mounting, lid lock ring, push-down lever mechanism for lid engagement and release, 25 sq. ft. filter cartridge element, and lid without chemical feeder. Chemical feeder lid available as an upgrade option.
Filter canister diameter: 6-1/2"
Required niche opening diameter: 6-5/8"
Complete Filter Type Cartridge
Complete Filter Complete Filter
Manufacturer Rainbow
Model Dynamic RTL
The 1 1/2" Fitting measures approximately 1 7/8" Inside Diameter.