DuPont FilmTec XLE PRO-4040 Low Energy RO Membrane | 4"

DuPont FilmTec XLE PRO-4040 4" Low Energy Reverse Osmosis Membrane

The XLE PRO-4040 is a 4" × 40" DuPont FilmTec low-energy RO membrane designed for commercial applications. It delivers 2,750 GPD at 99% stabilized salt rejection while operating at lower pressure than standard elements, reducing energy use in tap water and light brackish systems.

Technical Specifications

• Permeate Flow: 2,750 GPD (10.4 m³/day)
• Stabilized Salt Rejection: 99%
• Minimum Salt Rejection: 97%
• Element Size: 4" diameter × 40" length
• Active Area: ~85–87 ft²
• Membrane Type: Thin-Film Composite (TFC), tape-wrapped
• Test Pressure: ~125 psi
• Maximum Operating Pressure: 600 psi
• Designed For: Tap water and low-energy commercial systems

Key Features

• 2,750 GPD permeate flow
• 99% stabilized salt rejection
• Extra-low energy design
• 4" × 40" commercial element
• Tape-wrapped thin-film composite construction

Applications

• Commercial RO systems
• Hotels, restaurants, and light commercial
• Car washes and point-of-entry systems
• Low-energy tap water or light brackish applications

At KnappRO Chicago we stock genuine DuPont FilmTec membranes with fast shipping from our U.S. warehouse. Need help choosing the right membrane? Contact our team for expert guidance.

Download XLE PRO 4040 Datasheet