2-172425K Pentair Rainbow RDC-50 Spa Filter, 1.5 in, 50 SF, R172425K

Pentair Rainbow Dynamic RDC Series RDC-50 Spa Filter, R172425K includes a Pentair quality Reemay filter cartridge of 50 sq ft. Also includes locking filter ring, drain plug and air relief plug. Filter manifold has 1.5" FPT female threads to attach in/out pipes. Internal bypass allows excess water flow to pass thru the filter.

Need a Rainbow RDC-50 replacement filter cartridge? Use HTF-2390.

Works with this replacement spa filter.