Unicel C-4950 Pool Filter · Pentair – ClearFit

Replacement pool filter cartridge for Pentair Rainbow Dynamic series — 50 sq ft of pleated polyester media, 4-15/16 x 13-5/16 in, same flow and fit as the OEM cartridge. Also replaces Pleatco PRB50-IN. Rinses clean with a garden hose; replace every 12-24 months or when pressure rises 8-10 psi above clean. Ships from Indiana with our 100% fit guarantee: if it doesn’t fit your filter, we replace it or refund you.