SKU: 8312668352

4" x 40" |PS Microfiltration Membrane Element | Polysulfone MF

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Description

4" x 40" |PS Microfiltration Membrane Element | Polysulfone MF4" x 40" Microfiltration Membrane (MF Membrane) Polyslfone (PS) 20,000 MWCO Applied Membranes, Inc. (AMI) polysulfone spiral wound microfiltration elements provide microfiltration with a molecular weight cut off of 20,000 and are ideal for removal of suspended solids and clarification. AMI Microfiltration Membrane elements are among the finest in the industry. Since 1983, AMI PS MF Membrane elements have earned the reputation of consistent quality.


4" x 40" Microfiltration Membrane (MF Membrane) | Polyslfone (PS) | 20,000 MWCO


Applied Membranes, Inc. (AMI) polysulfone spiral wound microfiltration elements provide microfiltration with a molecular weight cut-off of 20,000 and are ideal for removal of suspended solids and clarification. AMI Microfiltration Membrane elements are among the finest in the industry. Since 1983, AMI PS MF Membrane elements have earned the reputation of consistent quality.

AMI 4x40 Microfiltration Membrane is the industry standard 4x40 size, for universal fit into most standard 4x40 membrane housing pressure vessels.

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

M-M4040PS20 Specifications

AMI Part Number: M-M4040PS20
Membrane Size (Nominal): 4 x 40
Membrane Dimensions: 3.9"Dia. x 40"L
Membrane Type: Microfiltration (MF) Polysulfone
Molecular Weight Cut-Off (MWCO) 20,000*
For Housing: Standard 4" x 40"
Outer Wrap: Tape Wrapped
Element Type: Spiral Wound
Element Style:


Standard / Male
(with "stinger")
3/4" Male PWT
Manufacturer: Applied Membranes, Inc.
Country of Manufacture: United States (USA)

*Design Note: MWCO is defined as the molecular weight of the challenge material which the membrane rejects at a rate of 90% or better.


Features of AMI Polysulfone Microfiltration Membranes

  • Filtration to 20,000 Molecular Weight Cut-Off (MWCO)
  • Robust Materials and Construction for Long Life
  • 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 technology and manufacturing processes
  • Standard dimensions to fit in commonly available housings


Applications for AMI Polysulfone Membranes

  • Post-Treatment of ultrapure water
  • Removal of suspended solids
  • Process steam clarification, such as sugar solutions


Physical Dimensions of M-M4040PS20:

Total Length (L):

40 In. (101.6 cm)

Membrane Length (I):

38 In. (96 cm)

Diameter (D):

3.9 In. (9.9 cm)

PWT (P):

0.75 In. (1.9 cm)


Replacement Compatibility for AMI 4 X 40 Microfiltration Membranes

Applied Membranes M-M4040PS20 MF membrane elements fit industry-standard 4x40 membrane housing pressure vessels and can be used as direct replacement for many industry-standard 4x40 size Microfiltration PS elements with 3/4" male product water tubes ("stinger style").

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • 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: 8312668352

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4.4 ★★★★★
Based on 15 reviews
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Verified Purchase
Tonya Walker
Massapequa, US
★★★★★ 5
Great invention
Color: White
Second pack of these and I love them. I used them mostly for computer cables in my home office and my work office so I did not constantly have to go digging for laptop power cords and adapters. They have a strong adhesive that is very durable, the installation was super easy, super functional and overall great value for the money. These would be versatile as well if you wanted to use them for say phone charging cables or similar cords that seem to always fall behind a shelf or something similar.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
J
Verified Purchase
Janice Douglass
Lexington, US
★★★★★ 5
Wonderful for chargers
Color: White
I was skeptical about ordering these, but I am so glad I did. They are little cord controllers and they have a lift up cover that is magnetic so you can easily take your cord out of the hole. They stick to what you put it on and I’ve had no problem with them coming off on wood or plastic. Glad I bought these.
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Reviewed in the United States on April 8, 2026
P
Verified Purchase
Placeholder
Lowell, US
★★★★★ 5
Easy and Effective
Color: White
These are slick little gadgets! They hold a cord so it doesn’t fall behind a table or chest. I affixed one to the side of our nightstand and my phone charges there all night. Genius- no installation skills required.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
C
Verified Purchase
CALMLILAC
Natrona Heights, US
★★★★★ 5
Perfect to plug in and off the floor.
Color: White, Color: White
These are perfect for keeping the charging cords organized. I have difficulty reaching the floor when I need them. I work from home and need to charge my phone and laptop often. So far the adhesive is holding up. The magnet is strong enough and the cord is light weight and does not slip through the hole. I have usB and C cords. We use them at the side of bed for our cell phones. It’s on the side of our nightstand. Makes vacuuming easier to. The cord is off the floor. Overall happy with these. Worth the money.
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Reviewed in the United States on March 12, 2026
B
Verified Purchase
Brenda P.
Carnegie, US
★★★★★ 4
Overall good
Color: White
These work pretty well and adhere securely. I chose to stick on the underside lip on my nightstand in case it damages finish. I like that they pop open to remove cord when desired, although sometimes it opens when I pull on cord too hard. Overall, I think they are help and save me from rummaging around for my cord.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026

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