Cartridge Filter PRB50-IN – Large Hot Tub Filter

The PRB50-IN Large Cartridge Filter is engineered to deliver powerful, consistent filtration for hot tubs and spas that demand higher water flow and debris capture. Designed to trap dirt, oils, and fine particles, this large-format cartridge helps maintain crystal-clear water while reducing strain on your spa pump and system.

Constructed from durable pleated filter media, the PRB50-IN provides excellent surface area for longer filter cycles and improved efficiency. Easy to remove, rinse, and reinstall, this cartridge filter supports cleaner water, better circulation, and a more enjoyable soaking experience.

A fifty square foot filter measuring 5 inches wide X 13 5/16 inches high with a 2 1/8 inch top opening and a 2 1/8 inch bottom opening. Part number prb50-in

A clean filter will help extend the life of your spa and keep the water clear and healthy. Replace your hot tub filter annually and with every water change for maximum performance. We offer a wide selection of hot tub filters, filter cartridges and pre-filters to help you keep your hot tub clean and functional.