SKU: 12949759096

4" x 21" | 1,148 GPD | 150 PSI | Low Energy RO Membrane | Applied Membranes

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Description

4" x 21" | 1,148 GPD | 150 PSI | Low Energy RO Membrane | Applied Membranes4" x 21" Low Energy Reverse Osmosis Membrane Tap or Brackish Water 1,148 GPD at 150 PSI AMI Low Energy (Low Pressure) RO Membrane elements are specially designed to run at 150 psi while producing the same product flow as standard elements. By using these elements in your commercial reverse osmosis system, you can significantly reduce your operating costs in tap water applications. AMI Low Energy RO membrane elements produce high quality water from tap


4" x 21" Low Energy Reverse Osmosis Membrane | Tap or Brackish Water | 1,148 GPD at 150 PSI


AMI Low Energy (Low Pressure) RO Membrane elements are specially designed to run at 150 psi while producing the same product flow as standard elements. By using these elements in your commercial reverse osmosis system, you can significantly reduce your operating costs in tap water applications.

AMI Low Energy 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 Low Energy Commercial RO Membranes are constructed of low pressure 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.

M-T4021ALE Specifications

AMI Part Number: M-T4021ALE
Membrane Size (Nominal): 4 x 21
Membrane Dimensions: 3.9"Dia. x 21"L
Flow Rate: 1,148 GPD (4,345 LPD)
Applied Pressure: 150 psi (1 MPa)
Stabilized Salt Rejection: 99%
For Housing: Standard 4" x 21"
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: 8%
Chlorine Tolerance: 0
Feed water pH Range: 2-11
Manufacturer: Applied Membranes, Inc.
Country of Manufacture: United States (USA)

Note: Performance specifications based on 2,000 mg/l sodium chloride, 150 psi (1 MPa) applied pressure, 77ºF (25ºC) feed water temperature, pH 8 and the recovery listed in the table above. Element permeate flow may vary ± 20%. Caution: Do not run these membranes at a pressure that will produce more than their rated product flow rate. This will lead to premature fouling of the membrane resulting in drop in permeate flow and higher TDS of the permeate.


Features of AMI LE Low Pressure Tap Water / Brackish Water RO Membranes

  • Reduce operating costs and wear and tear on your system by running your system at a lower pressure.
  • 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 Low Pressure 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-T4021ALE:

Total Length (L):

21 In. (53.3 cm)

Membrane Length (I):

19 In. (48 cm)

Diameter (D):

3.9 In. (9.9 cm)

PWT (P):

0.75 In. (1.9 cm)


Replacement Compatibility for AMI 4 X 21 LE RO MEMBRANES

Applied Membranes M-T4021ALE low energy membrane elements can be used as direct replacement for many industry-standard low pressure 4x21 size RO elements with 3/4" male product water tubes ("stinger style") which are rated at 150psi. These include Axeon HF1-4021 & HF6-4021.

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: 12949759096

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Cali Mom
Lexington, US
★★★★★ 5
Perfect size, high quality
Size: 7.7" x 7.7" x 1.7", Color: Black (Metal Silvered)
I had a previous catch all tray that I bought on amazon, it used buttons on the 4 corners to turn a flat cardboard into a tray. Over time, the catch all tray got filled up, not just with a wallet, keys and eyeglasses but eventually business cards and other knick knacks. With all the items inside the tray, sometimes the buttons would start to pop out. It wasn't awful, more of an annoyance. But it was time for me to find a more durable tray. I looked on amazon and added 6 different trays that had "potential" into my shopping cart. Then I carefully evaluated each one and deleted them out of my cart until there was only one left. Some had multiple compartments. Some were larger than this one. I felt the ones with compartments would limit my ability to put the things I want in there. Also, I didn't want it so big that it took up too much desk space. Ultimately, I felt this was the perfect size. I'm extremely happy with it, the quality is really nice and it looks and feels durable. No more loose buttons and spilled knick knacks.
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Reviewed in the United States on October 14, 2024
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Denise
Alexandria, US
★★★★★ 5
Keeps clutter away
Size: 7.7" x 7.7" x 1.7", Color: Black (Metal Silvered)
This works great to corral all my notes I write on post its or small notes. Keeping them hidden from the desk top b/c or the depth but still visible to me. Much better than keeping on the plotter. Looks great in quality .
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Reviewed in the United States on October 25, 2025
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MovieGuy
Los Angeles, US
★★★★★ 5
Attractive, Simple, And Well-Made
Size: 7.7" x 7.7" x 1.7", Color: Orange (Metal Glided)
I use this as a "catchall". A place to stash things like my wallet and keys when I enter the door, so that I don't use them (I had been prone to that!). It serves it's purpose well. It's both sturdy and attractive, and a good size for a "catchall". Recommended for those like me who need such things.
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Reviewed in the United States on April 8, 2024
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Kirstin Gramith
Battle Creek, US
★★★★★ 4
Good quality, orange color
Size: 7.7" x 7.7" x 1.7", Color: Orange (Metal Glided), Size: 7.7" x 7.7" x 1.7", Color: Orange (Metal Glided)
The quality is surprisingly good but the color is much more orange toned in person.
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Reviewed in the United States on April 17, 2024
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kenneth
Cuba, US
★★★★★ 5
Holder
Size: 7.7" x 7.7" x 1.7", Color: Black (Metal Silvered)
It’s great for my keys and wallet and other stuff I use it every day
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Reviewed in the United States on August 30, 2025

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