4"x40" | Full-Fit | Sanitary| 2,400 GPD | FilmTec RO Membrane
SKU: 43473619804

4"x40" | Full-Fit | Sanitary| 2,400 GPD | FilmTec RO Membrane

$310.07 $344.52
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Description

4"x40" | Full-Fit | Sanitary| 2,400 GPD | FilmTec RO MembraneDOW FILMTEC RO 4040 FF Sanitary Grade Full Fit Elements for Sanitary Applications DOW FILMTEC RO 4040 FF elements deliver high flux and outstanding quality water for applications requiring sanitary grade membrane elements. The full fit configuration minimizes stagnant areas and is optimal for applications requiring a sanitary design. All materials of construction are compliant with U. S. Food & Drug Administration indirect food contact requirements


DOW FILMTEC™ RO-4040-FF Sanitary-Grade Full-Fit Elements for Sanitary Applications


DOW FILMTEC RO-4040-FF elements deliver high flux and outstanding quality water for applications requiring sanitary-grade membrane elements. The full-fit configuration minimizes stagnant areas and is optimal for applications requiring a sanitary design. All materials of construction are compliant with U.S. Food & Drug Administration indirect food contact requirements and are suitable for use in food processing applications in the U.S.

DOW FILMTEC RO-4040-FF is FDA – 21 CFR 177.2550; Food and Drug Administration Compliant.

Benefits of DOW Full-Fit RO Elements:

  • High flux results in high yields
  • Full-Fit Sanitary-Grade Design
  • Consistant FilmTec performance and quality from automated rolling



Specifications for RO-4040-FF

FilmTec Product: RO-4040-FF
FilmTec Part Number: 84286
Replaces Part Numbers: BW30-4040-LW
Size (Approximate): 4" Dia. x 40"L
Flow Rate: 2,400 gpd (9.1 m³/d)
Applied Pressure: 225 psig (16 bar)
Stabilized Salt Rejection: 99.5%
Minimum Salt Rejection: 98.0%
End Style/PWT: Male PWT, 0.75 OD
Exterior: Cage-Wrapped
Product Type: Spiral-Wound Element
Membrane Type: Thin-Film Composite

Permeate flow and salt rejection based: 32,000 ppm NaCl feed stream, 5ppm boron, 77°F, 8% recovery, 800 psig, pH 8.

Operating Limits for RO-4040-FF

Maximum Operating Temperature: 113°F (45°C)
Maximum Operating Pressure: 600 psig (41 bar)
Maximum Pressure Drop: 15 psig (1 bar)
Maximum Feed Turbidity: 1 NTU
pH Range, Continuous Operation: 3-10
pH Range, Short-Term Cleaning*: 1-12
Maximum Feed Silt Density Index: SDI 5
Fere Chlorine Tolerance: 0

*Refer to cleaning guidelines.

Common Applications for FilmTec RO-4040-FF Sanitary-Grade Elements:

  • Medical Applications
  • Sanitary Uses
  • Food Processing

Physical Dimensions of DOW FilmTec RO-4040-FF

INCHES (MM)
A 40.0 (1,016)
B 0.75 (19)
C 3.9 (99)

RO-4040-FF fits nominal 4x40 size pressure vessels.

Common Applications for FilmTec RO-4040-FF Sanitary-Grade Elements:

  • Medical Applications
  • Sanitary Uses
  • Food Processing
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 43473619804

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4.5 ★★★★★
Based on 2191 reviews
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Product Reviews
M
Verified Purchase
MickeyF
New York, US
★★★★★ 5
Solved Specific Need
Size: 10 Ft (Type B with Clamp), Color: White
Nice product which solved a problem of needing USB power clamped to a very thick work table. Most power strips with a clamp do not accommodate thick tables between 1.75" and 2" so I was happy to find this one. Successfully provides power to all my USB devices even a laptop (although charging is a bit slower compared to the OEM power adapter).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2026
L
Verified Purchase
Lyman D. Elliott
Grantham, US
★★★★★ 5
One minor bug
Size: 10 Ft (Type B with Clamp), Color: Black
I received this today and mounted it to the table I have next to my recliner. I plugged it into a remote control outlet so I can turn everything off at once. I used two of the AC outlets for the power recliner. I then plugged a USB powered fan into one of the USB-A ports. I plugged the power cable from a set of speakers positioned next to the headrest of the recliner into the other USB-A port. I used one of the USB C outlets to charge my tablet. When I hit the switch on the remote control to turn off power to the strip before going to bed I discovered a bug. The only way I can describe it is a cross port power bleed. After killing power to the strip my speakers were still playing, not well as they had static. I discovered by trial and error that if I unplugged my tablet the problem stopped. Apparently if you have something with a battery plugged into one of the USB ports and have something plugged into the other USB ports it pulls power from the device with the battery to try and power the other devices plugged in. Other than this one problem it seems to be just what I was looking for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2025
G
Verified Purchase
Glen T.
Los Angeles, US
★★★★★ 5
Mounts to desktop
Size: 10 Ft (Type B with Clamp), Color: Black
Helps keep the desktop clutter down. Sometimes I need to charge flashlights, earphones, hearing aids, portable battery chargers and the like. I don’t want to plug these onto my computer so this unit fits that need. Sturdy desk mount so one hand plugging in and unplugging usually works fine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
G
Verified Purchase
greasergrrl
Phoenix, US
★★★★★ 5
Works great
Size: 10 Ft (Type B with Clamp), Color: Black, Size: 10 Ft (Type B with Clamp), Color: Black
Small and does the trick. I’m glad my USB hub will stop falling off the table!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
A
Verified Purchase
Anne C.
Pawtucket, US
★★★★★ 4
Decent, gets warm though
Size: 10 Ft (Type B with Clamp), Color: Black
Compact with a nice long power cord. However, it does get warm, which makes me nervous, seeing as it is clamped to a wooden table...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026

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