Pentair 59000500 Grid Locator Spider Replacement FNS Plus Pool and Spa D.E. Filter water-safety Unicel C-9402 Replacement Filter Cartridge

Unicel C-9402 Replacement Filter Cartridge for 100 Square Foot Waterway Clearwater

Also fits Pentair Dura-Glas II series inground pool and spa pump models P4RA6E-186L

This is because they are reliable for anybody that works around non-oil-based

and waterline

Pentair 59000500 Grid Locator Spider Replacement FNS Plus Pool and Spa D.E. Filter water-safety Unicel C-9402 Replacement Filter CartridgePentair 59000500 Grid Locator Spider Replacement FNS Plus Pool and Spa D. E. Filter Grid locator spider replacement Fits Pentair FNS Plus pool and spa D. E. filters Measures 23 inch length by 23 1 2 inch height by 18 1 2 inch width