Grommet Rubber 1/2 ID x 1 OD x 3/32 255 gal and the pump has a

and the pump has a flow-rate of 265 gallons per hour

Easily identified by white tape band

Durable Construction: 24” length crafted from 304 stainless steel for long-lasting use

Drawdown 40/60 Setting: 2

The Neo-Pure PSJE-40-20 requires fewer cartridge changes

Grommet Rubber 1/2 ID x 1 OD x 3/32 255 gal and the pump has aRubber Grommet, Style 1, Inside Dia. (A) 1 2 in, Outside Dia. (B) 1 in, Overall Thickness (C) 5 16 in, Panel Hole Dia. (E) 3 32 in, Outside Dia. (F) , Rubber Material SBR, Rubber Color Black, Min. Temp. (F) 40 Degrees F, Max. Temp. (F) 225 Degrees F, Durometer 60A, Elongation 250 Percent, Tensile Strength (PSI) 870 psi.