SKU: 55719854876

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

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Description

2.5" x 40" |PS Microfiltration Membrane Element | Polysulfone MF2. 5" 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.



2.5" 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 2.5x40 Microfiltration Membrane is the industry standard 2540 size, for universal fit into most standard 2.5x40 membrane housing pressure vessels.

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

M-M2540PS20 Specifications

AMI Part Number: M-M2540PS20
Membrane Size (Nominal): 25x40
Membrane Dimensions: 2.5"Dia. x 40"L
Membrane Type: Microfiltration (MF) Polysulfone
Molecular Weight Cut-Off (MWCO) 20,000*
For Housing: Standard 2.5x40
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-M2540PS20:

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 2.5 X 40 Microfiltration Membranes

Applied Membranes M-M2540PS20 MF membrane elements fit industry-standard 2540 membrane housing pressure vessels and can be used as direct replacement for many industry-standard 2.5x40 size Microfiltration PS elements with 3/4" male product water tubes ("stinger style").

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • 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: 55719854876

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Amazon Customer
Los Angeles, US
★★★★★ 5
👍🏼👍🏼
Color: Blue
Great product! I really like this item I would definitely recommend it to get the job done !
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Reviewed in the United States on March 25, 2026
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White Zombie
Carnegie, US
★★★★★ 5
Perfect fit.
Size: 1" x 1" x 1"
Fits perfect in a 2025 Toyota Tacoma high quality good performance.
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Reviewed in the United States on May 10, 2026
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Sam
Birmingham, US
★★★★★ 5
Better Than OEM – Worth the Upgrade
Size: 1" x 1" x 1"
The K&N filter is a big step up from the standard Toyota air filters and OEM replacements. Installation was quick and easy, and the fit is perfect. I’ve noticed smoother airflow and better throttle response compared to the stock filter. The best part is that it’s washable and reusable, so it’s a long-term investment instead of constantly buying replacements. Definitely a smarter choice for anyone who wants performance and value over the typical paper filters.
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Reviewed in the United States on August 25, 2025
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Amazon Customer
Pawtucket, US
★★★★★ 5
Fits 2024 Land Cruiser 1958
Size: 1" x 1" x 1"
Easy to install. Perfect fit.
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Reviewed in the United States on May 3, 2026
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K
Omaha, US
★★★★★ 5
Does the job, economical and a perfect fit
Size: 1" x 1" x 1"
Bought exactly 1 year ago for 3rd Gen Tundra. So far, it really does the job. At first I didn’t realize how awesome it was until I had to remove and clean it yesterday. Although I keep my truck immaculate inside and out, after 1 years use, the filter had become extremely filthy and the air had an old mildew, vomit, stank smell. When clean and set for fresh air, I can only faintly notice diesel exhaust smells from those in front of me. I also notice little to no dust accumulation on my dash and flat surfaces. In my opinion the K&N cabin filter kit is an essential tool for cleaning this filter. K&N made the filter, so I would imagine that they know how to clean and refresh it properly. By the way, refresh solution is nearly fragrance free. I bought the refresh kit at a big box auto supply and it came in a mostly black box instead of the white box as sold on here. Don’t know if that means the formulation has changed or not.
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Reviewed in the United States on March 2, 2025

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