4" x 21" Reverse Osmosis Membrane Element for Tap Water | High Flow 900 GPD at 225 psi | 99.5% Rejection | Replacement Commercial RO Membrane | Applied Membranes USA M-T4021A

★★★★★ 4.4 39 reviews

$252.99
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Management number 221588493 Release Date 2026/05/03 List Price $101.20 Model Number 221588493
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Applied Membranes 4" x 21" Reverse Osmosis Membrane | Tap or Brackish Water | 900 GPD High Rejection RO Membrane AMI Part Number: M-T4021A Membrane Size (Nominal): 4 x 21 Membrane Dimensions: 3.9"Dia. x 21"L Flow Rate: 900 GPD (3407 LPD) Applied Pressure: 225 psi (1.6 MPa) Stabilized Salt Rejection: 99.5% 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 End Style: Male PWT (Stinger Style) Country of Manufacture: United States (USA) 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 commercial RO systems. AMI Commercial RO Membranes are constructed of tap water TFC (thin film composite) membrane material and fit standard PVC and Stainless Steel RO Membrane Housings. M-T4021A can be used as direct replacement for many industry-standard 4x21 Size RO Elements with 3/4" male product water tubes ("stinger style") which are rated at 225psi – including TW30-4021 , AG4021TM & HR3-4021. AMI Membranes are Made in the USA in their ISO 9001:2015 Certified Facility and are 100% Quality and Performance Tested.

  • Made in the USA in ISO 9001:2015 Quality Certified Facility. 100% Quality and Performance Tested.
  • Applied Membranes 4x21 RO membrane fits standard PVC and Stainless Steel RO Membrane Housings.
  • High Performance: 900 GPD at 225 psi. 99.5% Salt Rejection. Tape Wrapped. Thin Film Reverse Osmosis Membrane
  • AMI Commercial RO Membrane Elements Produce High Quality Water from Tap or Brackish Water in Small Commercial RO Systems
  • Replacement RO Membrane Water Filter for Commercial Reverse Osmosis Systems
Brand Name APPLIED MEMBRANES INC.
Unit Count 1.0 Count
Item Weight 4 Pounds
Manufacturer APPLIED MEMBRANES INC.
Model Number M-T4021A
Material Type Pvc,Stainless Steel
Manufacturer Part Number M-T4021A
Item Dimensions D x W x H 4"D x 4"W x 21"H

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