SKU: 13443540463

4" x 14" | 525 GPD Commercial Reverse Osmosis RO Membrane | Applied Membranes (Replaces TW30-4014)

$164.21 $182.46
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Description

4" x 14" | 525 GPD Commercial Reverse Osmosis RO Membrane | Applied Membranes (Replaces TW30-4014)4" x 14" Reverse Osmosis Membrane Tap or Brackish Water 525 GPD RO Membrane AMI commercial RO membrane elements produce high quality water from tap or brackish water in small commercial RO systems, and are among the finest in the industry. With hundreds of thousands of membranes in operation in water filtration systems world wide, AMI membranes have earned a reputation of delivering consistent, reliable, and long lasting performance, making AMI


4" x 14" Reverse Osmosis Membrane | Tap or Brackish Water | 525 GPD RO Membrane

AMI commercial RO membrane elements produce high quality water from tap or brackish water in small commercial RO systems, and are among the finest in the industry. With hundreds of thousands of membranes in operation in water filtration systems world-wide, AMI membranes have earned a reputation of delivering consistent, reliable, and long lasting performance, making AMI Membranes the natural choice for use in small commercial RO systems. AMI Small Commercial RO Membranes are constructed of tap water TFC (thin film composite) membrane material and fit standard PVC and Stainless Steel RO Membrane Housings.

AMI Membranes are 100% Quality and Performance Tested in their ISO 9001:2015 Certified Facilities.

Specifications for M-T4014A

AMI Part Number: M-T4014A
Membrane Size (Nominal): 4 x 14
Membrane Dimensions: 3.9"Dia. x 14"L
Flow Rate: 525 GPD (1,987 LPD)
Applied Pressure: 225 psi (1.6 MPa)
Stabilized Salt Rejection: 99.5%
For Housing: Standard 4" x 14"
Outer Wrap: Tape Wrapped
Membrane Type: Tap or Brackish Water
Membrane Sheet: TFC (Thin Film Composite)
Element Type: Spiral Wound
Feed Water Test Temperature: 77°F (25°C)
Single Element Recovery: 5%
Chlorine Tolerance: 0
Feed water pH Range: 2-11
Can Replace:





 DOW FilmTec TW30-4014
DuPont TW30-4014 80605
GE Desal AG4014TM
GE Desal 1206748
GE Desal AG4021TF
Axeon HR3-4014
Manufacturer: Applied Membranes, Inc.
Country of Manufacture: United States (USA)

Note: Performance specifications based on 2,000 mg/l sodium chloride, 225 psi (1.6 MPa) applied pressure, 77ºF (25ºC) feed water temperature, pH 8 and the recovery listed in the table above. Element permeate flow may vary ± 20%.

Features of AMI Tap Water / Brackish Water RO Membranes

  • High Rejection & Flow Rate
  • Manufactured in our ISO 9001:2015 Certified Facilities
  • 100% Performance and Quality Tested
  • Backed by our Experienced Technical Support Staff
  • High Quality for Consistent and Reliable Performance
  • Uses the most advanced membrane film technology and manufacturing processes
  • Standard dimensions to fit in commonly available housings

Applications for AMI Commercial RO Membranes

  • Restaurants
  • Aquariums
  • Whole House (Residential)
  • Office
  • Institutions
  • Hotels
  • Hospitals
  • Disaster Relief
  • Spot Free Rinse/Car Wash
  • Labs
  • Pharmaceutical
  • Humidification
  • Misting
  • Manufacturing
  • Rinse Water
  • Bottled Water
  • Water stores
  • Beverage
  • Food Processing
  • Ice Makers
  • Commercial Water Treatment
  • Ice Makers
  • Tap Water
  • Brackish Water
  • Wide Variety of Other Applications

Physical Dimensions of M-T4014A:

Total Length (L):

14 In. (35.6 cm)

Membrane Length (I):

12 In. (30 cm)

Diameter (D):

3.9 In. (9.9 cm)

PWT (P):

0.75 In. (1.9 cm)

Replacement Compatibility for AMI 4 X 14 RO MEMBRANES

Applied Membranes M-T4014A membrane elements can be used as direct replacement for many industry-standard 4x14 size RO elements with 3/4" male product water tubes ("stinger style") which are rated at 225psi. These include:

  • DOW FilmTec TW30-4014
  • DuPont FilmTec TW30-4014
  • DOW FilmTec 80605
  • DuPont FilmTec 80605
  • GE Desal AG4014TM
  • GE Desal 1206748
  • GE Desal AG4021TF
  • Axeon HR3-4014

If you do not see your membrane listed or wish to learn more about compatibility, please contact us. Our certified water treatment experts will be happy to discuss your application. To ensure prompt and accurate information, please include as much information about your system as possible, such as: model, manufacturer, model of membranes being replaced, any available. product manuals or literature associated with your system, and photographs of your system or membranes.

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: 13443540463

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Verified Purchase
Amazon Customer
New York, US
★★★★★ 5
Durable and good case!
Color: Black
Excellent sturdy case to protect iPad. Would buy again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
K
Verified Purchase
Kelley Mitchell
Massapequa, US
★★★★★ 5
Well made
Color: Blue
It’s great, better than I expected. I love I love the color and the fit is perfect. Highly recommend!
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Reviewed in the United States on May 30, 2026
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Carrie A Balashaitis
Charlottesville, US
★★★★★ 4
Good buy
Color: Black
Sturdy and fits perfectly
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Reviewed in the United States on May 6, 2026
J
Verified Purchase
Jackie P
Lake Worth, US
★★★★★ 5
Sturdy iPad case
Color: Black
Great case. Sturdy and easy to install. Would purchase from this seller again.
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Reviewed in the United States on May 8, 2026
H
Verified Purchase
HallMonitor
Phoenix, US
★★★★★ 5
Durable and Rugged
Color: Black
I've had it for a few weeks now. It was a replacement I bought after buying several vinyl type covers. This one is a good gauge of plastic and rubber. The rubber seems pretty strong and it protects the iPad well on the corners and back. The back is mostly covered except for the Apple logo in the center. In addition to protecting the corners and also protects the camera lens as the rubber after insulation is a little bit higher than the lens so when you put this down, it's not going to scratch the lens. It has a pen slot, which I like and plenty of room to grip the device if I'm carrying it from place a place or when I'm using it, I can grip the edge and not touch the screen. One of the things I would've liked included is a screen protector, but nothing covers the screen. I also miss the folio type cover because the screen will gather dust now. But, Apple screens are fairly durable so I'm not too worried about breaking it. It was easy to install. It came in as it came in a couple of pieces that you just pressed together. All the controls are obvious as they are under the rubber, but they look like keys. One more thing I might bring up is the charging port. It's easy to get to even though it's a little deep. On my iPad the touch sensor is on the on off button and it is a little harder to do than if I didn't have any case on it, but that is to be expected. It also has an easel that unfolds from the back if you want to sit it up, but I don't use it for watching anything since I have a real TV set. So far I like it and I'm glad I bought this as I don't think it's going to wear out as quickly from me handling it as the others did. The value was good as long as it lasts.
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Reviewed in the United States on April 28, 2026

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