Unicel Replacement Filter Cartridge for Swimming Pool Filter Unicel # C4401; Quantity: 2 fire-protection ROBUST AND LIGHTWEIGHT: TR-600 Series

ROBUST AND LIGHTWEIGHT: TR-600 Series PAPR offers multiple airflow rate options

Compatible with the 3M Versaflo TR600 PAPR system

Rheem Classic Series Digital Heat Pump 140K BTU 208/230V comes with DuraSteel™ Powder-Coated Cabinet suitable for any weather condition or season

Sulfur Dioxide ADResistance:Organic Vapor

Unicel Replacement Filter Cartridge for Swimming Pool Filter Unicel # C4401; Quantity: 2 fire-protection ROBUST AND LIGHTWEIGHT: TR-600 SeriesUnicel Replacement Filter Cartridge for Swimming Pool Filter Unicel # C4401; Quantity: 2 Diameter: 4 15 16 inch; length: 4 5 8 inch Top end cap: open, 2 1 8 inch inner diameter; bottom end cap: open, 2 1 8 inch inner diameter Pleat count: 158; filter media: 4 ounce reemay 2040; filter area: 35 square feet Get more efficient filtration and better water clarity with Unicel filters Longer time between cleanings; meets oem specifications