★★★★★ 5
Fits like a glove
Filter my air
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Reviewed in the United States on February 25, 2026
XLE-440i FilmTec™ DOW / DuPont 600 PSI 14,000 GPD 8 x 40 inch Membranes
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
XLE-440i FilmTec™ DOW / DuPont 600 PSI 14,000 GPD 8 x 40 inch MembranesXLE 440i FilmTec DOW DuPont 600 PSI 14,000 GPD 8 x 40 inch Membranes PLEASE REFERENCE DATA SHEETS AND TABLE BELOW DuPont FilmTec XLE 440i Extra Low Energy RO Membrane The DuPont FilmTec XLE 440i is an advanced extra low energy (XLE) brackish water reverse osmosis (RO) element, expertly engineered for plant managers seeking high quality permeate water with the lowest possible operating costs. This element is characterized by its high active membrane
Quick Dispatch:
Your XLE-440i FilmTec™ DOW / DuPont 600 PSI 14,000 GPD 8 x 40 inch Membranes orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your XLE-440i FilmTec™ DOW / DuPont 600 PSI 14,000 GPD 8 x 40 inch Membranes ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Product Reviews
★★★★★ 5
Noticeable scent difference compared to factory standard
Smells clean for months. We are mainly gravel roads and these cabin filters do a great job
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Reviewed in the United States on April 3, 2026
★★★★★ 5
It fits perfectly.
Great replacement and a very good price.
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Reviewed in the United States on January 17, 2026
★★★★★ 5
Nice and a good price.
Fit our F250 Diesel well.
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Reviewed in the United States on November 10, 2025
★★★★★ 5
Great fitment
Nice fitment
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Reviewed in the United States on December 15, 2025
