Filmtec (XLE-4021) Low Energy Membrane 1025 GPD 4" X 21" 10 inch x 4.5 inch Big Blue Filters2664 4% Salt Rejection ✓ 300

4% Salt Rejection ✓ 300 GPD at 800 PSI ✓ 2

With twist-on fittings and a straightforward design

Built for whole-house

Ideal for tight spaces and frequent service schedules

Keeps meters

Filmtec (XLE-4021) Low Energy Membrane 1025 GPD 4" X 21" 10 inch x 4.5 inch Big Blue Filters2664 4% Salt Rejection ✓ 300Dow 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%