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ESPA1-4040 Hydranautics Nitto 2,600 GPD at 150 PSI 4 x 40 inch 99.3% Rejection Energy Saving Membranes
Regular price $282.15 USDRegular priceSale price $282.15 USD -
LG BW 4040 UES 2,700 GPD at 100 PSI 4 x 40 inch 99% Rejection Ultra Energy Saving Membranes
Regular price $167.06 USDRegular priceSale price $167.06 USD -
LC LE PRO-4040 DuPont FilmTec™ 2,600 GPD at 150 PSI 4 x 40 inch 99.5% Rejection Large Commercial Low Energy Membranes
Regular price $276.21 USDRegular priceSale price $276.21 USD -
ESPA1-LD-4040 Hydranautics Nitto 2,450 GPD at 150 PSI 4 x 40 inch 99.4% Rejection Energy Saving Membranes
Regular price $285.14 USDRegular priceSale price $285.14 USD -
Replaces XLE-4040 2,600 GPD at 100 PSI 4 x 40 inch Membranes
Regular price $205.95 USDRegular priceSale price $205.95 USD -
LG CW 4040 SF 2,900 GPD at 100 PSI 4 x 40 inch 99% Rejection Car Wash Spot Free Rinse Membranes
Regular price $191.12 USDRegular priceSale price $191.12 USD -
XLE PRO-4040 DuPont FilmTec™ 2,750 GPD at 125 PSI 4 x 40 inch 99% Rejection Extra Low Energy Membranes
Regular price $282.00 USDRegular priceSale price $282.00 USD -
XLE-4040 DuPont FilmTec™ 2,600 GPD at 100 PSI 4 x 40 inch 99% Rejection Extra Low Energy Membranes
Regular price $335.61 USDRegular priceSale price $335.61 USD -
ESPA4-LD-4040 Hydranautics Nitto 2,350 GPD at 100 PSI 4 x 40 inch 99.2% Rejection Energy Saving Membranes
Regular price $276.06 USDRegular priceSale price $276.06 USD -
Replaces XLE PRO-4040 2,600 GPD at 100 PSI 4 x 40 inch 99.2% Rejection Extra Low Energy Membranes
Regular price $211.50 USDRegular priceSale price $211.50 USD -
Replaces LC LE-4040 2,600 GPD at 100 PSI 4 x 40 inch Membranes
Regular price $209.39 USDRegular priceSale price $209.39 USD -
Replaces LC LE PRO-4040 2,600 GPD at 100 PSI 4 x 40 inch Membranes
Regular price $209.39 USDRegular priceSale price $209.39 USD -
4021 PurClean Spot Free Rinse Car Wash Replacement Membrane 1000 GPD at 100 PSI 4 x 21 inch 99% Rejection Extra Low Energy
Regular price $210.37 USDRegular priceSale price $210.37 USD -
4040 PurClean Spot-Free Rinse Car Wash Replacement Membrane 2,350 GPD at 100 PSI 4 x 40 inch 99.2% Rejection Energy Saving
Regular price $272.25 USDRegular priceSale price $272.25 USD -
ESPA4-4040 Hydranautics Nitto 2,500 GPD at 100 PSI 4 x 40 inch 99.2% Rejection Energy Saving Membranes
Regular price $276.06 USDRegular priceSale price $276.06 USD -
4021 Spot Free Rinse Car Wash Membrane 1000 GPD at 100 PSI 4 x 21 inch
Regular price $184.88 USDRegular priceSale price $184.88 USD
Collection: Spot Free Rinse Car Wash Membranes
This specialized collection features professional-grade Reverse Osmosis (RO) membranes engineered specifically to power commercial Spot-Free Rinse (SFR) systems. Designed as seamless drop-in replacements for standard 4-inch by 40-inch commercial pressure vessels, these high-flow RO elements provide operators of express tunnel washes, in-bay automatics (IBA), and self-serve bays with the ultra-pure water required to deliver a premium wash experience.
The foundation of a high-quality car wash, these extra-low energy RO membranes serve as the core of your spot-free system. By aggressively stripping the feed water of Total Dissolved Solids (TDS) and heavy minerals, they prevent the severe mineral spotting that can ruin an otherwise perfect wash. Supplying your final rinse arches with this ultra-pure, mineral-free water guarantees a flawless, mirror-like vehicle finish. This eliminates the need for labor-intensive manual towel drying, speeds up line throughput, and significantly boosts overall customer satisfaction.
This collection includes industry-leading OEM elements from top manufacturers such as Hydranautics, DuPont FilmTec, and LG Water Solutions, alongside highly efficient direct replacement options. Engineered with advanced thin-film composite (TFC) technology, these membranes are optimized for extra-low energy consumption, achieving peak TDS rejection at applied test pressures ranging from just 100 PSI to 150 PSI. Delivering high-capacity permeate flow rates of up to 2,700 gallons per day (GPD) per element, they easily keep pace with high-volume wash demands while reducing mechanical strain on pump room equipment and drastically lowering utility overhead.
Specification
Details
Product Category
Spot-Free Rinse (SFR) RO Membranes
Element Size
Standard 4.0" x 40"
Membrane Technology
Reverse Osmosis (Polyamide TFC)
Permeate Flow Rates
2,450 GPD – 2,700 GPD
Operating Pressures (Test PSI)
100 PSI – 150 PSI (Extra Low Energy)
Primary Contaminant Targets
Total Dissolved Solids (TDS), Hardness Minerals
Featured Brands
Hydranautics, DuPont FilmTec, LG Water Solutions, Direct Replacements
System Compatibility
Spot-Free Systems, Tunnel Washes, In-Bay Automatics, Self-Serve Bays