Dupont Filmtec XLE-4021 RO Membrane NSF-Certified Extremely Low Pressure Compatible Element by SpiroPure

The SpiroPure SP-XL4021 Extremely Low-Pressure Commercial Reverse Osmosis Membrane Replacement 4 x 21 is a high quality extra-low energy replacement membrane filter cartridge. SP-XL4021 provides optimal RO filtration performance at very low feed pressures for low energy consumption and extra savings on operating costs.

• Nominal Size: 4" x 21"
• Certification: NSF 61 certified
• Salt Rejection Rate: 98.5%
• Average Permeate ±15%: 950 GPD @ 100 PSI
• Feedwater NaCl: 500 ppm
• Fresh Water Recovery Rate: 8%
• Feed Spacer: 28 mm
• Maximum Recommended NaCl: <2,000 ppm
• Maximum Operating Pressure 600 PSI

• Commercial water treatment systems
• Low salinity brackish water
• Smaller water treatment systems
• Whole house RO systems
• Food service
• Medical and research institutions
• Hospitality industry
• Drinking water
• Wastewater reuse
• Car washes
• Agricultural
• Irrigation

• Axeon XE1-4021
• Dupont Filmtec XLE-4021
• LG Chen LG BW 4021 UES