Hot Tub Filter Cartridge 20 Sq Ft 1.5" MPT 4CH-20 ProAqua SPA CARTRIDGES DFML 35 sq

DFML 35 sq

bottom end cap:

while side discharge pumps have an opening located on the side of the wet end

Levels greater than 100 ppb are considered significant enough to cause issues as highlighted

Hot Tub Filter Cartridge 20 Sq Ft 1.5" MPT 4CH-20 ProAqua SPA CARTRIDGES DFML 35 sqDiameter: 4 5 8 ; length: 6 3 4 Top end cap: molded cone handle, 0" inner diameter; bottom end cap: 1 1 2" male thread mpt, 0" inner diameter Pleat count: 204; filter media: 3 oz reemay 2033; filter area: 20 sq. ft. Get more efficient filtration and better water clarity with Unicel filters Longer time between cleanings; meets oem specifications 20 Sq Ft Filter Cartridge with 1. 5" MPT (40201) Soft Tub, Vita Spa, Master Spa