SKU: 83615046659

4"x21" Hollow Fiber UF 1.5 Membrane Element (388 to 1,164 GPD)

$341.32 $379.25
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Description

4"x21" Hollow Fiber UF 1.5 Membrane Element (388 to 1,164 GPD)Hollow Fiber Ultrafiltration (UF) Membrane Elements AMI hollow fiber ultrafiltration (HF UF) membrane elements provide reliable rejection of microorganisms and viruses with low operating costs. AMI HF UF elements are offered in standard RO Membrane sizes for use in standard membrane housing pressure vessels. Our hollow fiber UF elements are ideal for use in small commercial, point of use, and point of entry applications. Installation: This element



Hollow Fiber Ultrafiltration (UF) Membrane Elements

AMI hollow fiber ultrafiltration (HF UF) membrane elements provide reliable rejection of microorganisms and viruses with low operating costs. AMI HF UF elements are offered in standard RO Membrane sizes for use in standard membrane housing pressure vessels.

Our hollow fiber UF elements are ideal for use in small commercial, point-of-use, and point-of entry applications.

Installation:


This element fits in a standard 4"x21" Size Membrane Housing with use of adapter AD-40HF (Qty. 2). Adapter is sold separately.

 

 Specifications for M-U4040HF15
AMI Part Number: M-U4021HF15
Size: 4" Dia. x 21"L
Membrane Type: Hollow Fiber 1.5
Estimated Flow*: 388 to 1,164 GPD
Membrane Area: 19.4 ft2 (1.8 m2)
Housing & Tube Material: PVC-U, White
Max. Trans-Membrane Pressure: 43.5 psi (3 bar)
Temperature Range: 32-104°F (0-40°C)

*Individual UF modules can be configured in parallel to provide increased system capacities. The individual UF module flow ranges depend upon the source water quality and pretreatment. Consult with a water treatment professional for design flow rates for a specific application.

To avoid mechanical damage, do not subject the membrane to sudden temperature changes (>1°C/min) or water hammer
Advantages of AMI HF UF Membranes:
  • Ideal for Pre-Treatment to Reverse Osmosis
  • Can be used in Standard RO Housing with Filtrate Connector Kit (sold separately)
  • Reliable Rejection of Microorganisms and Viruses
  • Excellent Quality of Filtrate
  • Easy Installation and Handling

4x21 UF HF Membrane Dimensions:

  • Length (L): 18.7" (475 mm +/- 1.5)
  • Outer Diameter (D): 3.94" (100 mm)
  • Filtrate Connection (F): 1.12:" (28.4 mm)
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: 83615046659

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4.4 ★★★★★
Based on 171 reviews
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Nicholas D. Clark
Louisville, US
★★★★★ 4
Don’t buy for restaurant industry
Size: 10.5, Color: Black, Size: 10.5, Color: Black
Good looking shoes, fairly comfortable and good value based on the description shared, so I don’t feel it’s fair to rate them lower than 4 stars. I had high hopes for them based on previous reviews from others saying they wore them in the food and beverage industry that mentioned their quality and durability, however I strongly recommend looking elsewhere if you do. I purchased these to wear working in a full service upscale restaurant and in less than two months have managed to have torn the material on the middle exterior section and the bottoms of the shoes are already completely worn down. Good design, but the durability needs to be improved if they’re to hold up for that industry.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2025
D
Verified Purchase
Damon Richards
Waukegan, US
★★★★★ 1
DO NOT BUY (lasted less than 7 months)
Size: 11, Color: Black, Size: 11, Color: Black
I bought these for work as a bartender in August of 2025. By December, the tops were scuffed, frayed, and peeling beyond repair, and by February, the soles were coming off. I’ve never had a pair of shoes with such low quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
D
Verified Purchase
Daniel Lucarell
Omaha, US
★★★★★ 5
Most comfortable shoes, right out of the box!
Size: 8.5, Color: Cognac Napa Leather
Oh my! So, my ordering of shoes online has been hit or miss - 1/2 size too big or too small; too wide or not wide enough. Enter these Marc Joseph shoes… such a game changer. They fit like a glove, exceptionally comfortable, and easy to slip in and out of. I like them so much that I am shopping for another pair. So far, the size, quality, fit, feel, look, and comfort make this pair my dedicated first pick. Btw, I have been wearing them for six hours and they are still very comfortable! I highly recommend these shoes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025
H
Verified Purchase
Heydi Ortega
Phoenix, US
★★★★★ 5
Me gustaron
Size: 9.5 Wide, Color: Black
Llego exactamente la talla que pedí, son como se ven en la foto!
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Reviewed in the United States on June 3, 2026
M
Verified Purchase
Michael
Waukegan, US
★★★★★ 5
Comfortable dress shoe.
Size: 7, Color: Brown Napa Leather
Finally a comfortable dress shoe. It's both comfortable to walk in and looks and wears like a more traditional dress shoes for the office.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026

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