Filmtec (XLE-4021) Low Energy Membrane 1025 GPD 4" X 21" 10 inch x 4.5 inch Big Blue Filters2761 Replace when pressure drops noticeably

Replace when pressure drops noticeably or at 6-month intervals for household water with moderate sediment and chlorine levels

Verify housing size before ordering

Cation exchange

It works as a primary whole-house carbon filter

Filmtec (XLE-4021) Low Energy Membrane 1025 GPD 4" X 21" 10 inch x 4.5 inch Big Blue Filters2761 Replace when pressure drops noticeablyDow Filmtec Commercial RO Membrane Filmtec XLE 4021 Low Energy Membrane 1025 GPD capacity at industry leading low pressure operation for commercial tap water applications Extra Low Energy Design 99. 0% Salt Rejection 4" x 21" Format 36 sq ft Active Area The Filmtec XLE 4021 is engineered for commercial systems requiring up to 1025 gallons per day at the lowest operating pressure in the industry. With 36 square feet of active membrane area and 99. 0%