Unicel T-380r Replacement Filter Cartridge for 6 Square Foot Harmsco ST/6, American, Pac-fab, Premier, Rainbow, Swimquip, Swimrite safety-glasses or hydrogen fluoride at up

or hydrogen fluoride at up to ten times the permissible exposure limit (PEL)

Constructed with 63 pleats made out of 13

Optional Float/by-pass valve

Comfortable: Effortless to don for hours thanks to “duckbill” design

Unicel T-380r Replacement Filter Cartridge for 6 Square Foot Harmsco ST/6, American, Pac-fab, Premier, Rainbow, Swimquip, Swimrite safety-glasses or hydrogen fluoride at upUnicel T 380r Replacement Filter Cartridge for 6 Square Foot Harmsco ST 6, American, Pac fab, Premier, Rainbow, Swimquip, Swimrite Diameter: 2 3 4 inch; length: 9 3 4 inch Top end cap: open, 1 1 16 inch inner diameter; bottom end cap: open, 1 1 16 inch inner diameter Pleat count: 75; filter media: 4 ounce reemay 2040; filter area: 6 square feet Get more efficient filtration and better water clarity with Unicel filters Longer time between cleanings;