The Axeon NF4-2521 2.5 x 21 membrane by US Water Systems Inc features black end caps and a polyamide thin film composite, shown against a white background to emphasize its advanced nanofiltration for efficient water purification with a capacity of 250 GPD.
The Axeon NF4-2521, from US Water Systems Inc, is a 2.5 x 21, 250 GPD nanofiltration membrane crafted from durable polyamide thin film composite. Featuring white cylindrical design with black end caps and a central AXEON label, its ideal for precise filtration needs.

Axeon NF4-2521 2.5" x 21" - 250 GPD NF Membrane

List Price: Factory Direct Price: SALE PRICE:
$369.92 $246.62
$221.95
$221.95
40% OFF FACTORY DIRECT SAVINGS
SKU: 255-NF4-2521
NF4 Membrane Elements are one of the industries most reliable and highest performing nanofiltration elements.
Subtotal: $221.95

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The Axeon NF4-2521 2.5 x 21 membrane by US Water Systems Inc features black end caps and a polyamide thin film composite, shown against a white background to emphasize its advanced nanofiltration for efficient water purification with a capacity of 250 GPD.

Axeon NF4-2521 2.5" x 21" - 250 GPD NF Membrane

$277.44 $221.95

Axeon NF4-2521 2.5" x 21" - 250 GPD NF Membrane

$277.44 $221.95

Axeon - NF4 Series Membrane Elements - NF4-2521 - 250 GPD Membrane Element

(Formerly R.O. UltraTec)

Manufactured using the industry’s leading membrane film technology. NF4 Membrane Elements offer reliability,high performance, and deliver consistent results. NF4 Membrane Elements are one of the industries most reliable and highest performing nanofiltration elements. Advanced membrane technology and manufacturing processes ensure high quality and performance, allowing for improved system performance.

  • Improved System Performance
  • Superior Quality and Cost Savings
  • Individually Vacuum Tested
  • Made in the U.S.

Operating Limits:

  • Membrane Type: Polyamide Thin Film Composite
  • Maximum Operating Temperature: 113°F (45°C)
  • pH Range, Continuous Operation: 2 - 11pH
  • Range, Short Term Cleaning (30 Min.): 1 - 12
  • Maximum Feed Silt Density Index (SDI): 5 SDI
  • Chlorine Tolerance: 0 PPM

Features:

  • High Flow (HF)Membrane Material
  • Protective ABS Hard Shell
  • Made in the U.S.A.

Specifications:

  • Axeon Part Number: 200408
  • Axeon Product Description: NF4-2521
  • Applied Pressure: 70 PSI (4.83 BAR)
  • Permeate Flow Rate: 250 GPD (0.95 m3/d)
  • Nominal Salt Rejection: >97%

Permeate flow and salt rejection based on the following test conditions: 550 ppm Softened Tap Water, 77°F (25°C), 15% Permeate Recovery, 6.5 - 7.0 pH Range, and the specified applied pressure. Data taken after 30 minutes of operation. Maximum pressure drop for each element is 13 psi. Minimum salt rejection is 80%. Permeate flow for individual elements may vary +/- 20%.

Dimensions:

Diagram of a flow filter highlighting the Axeon NF4-4040 4 x 40 - 2000 GPD NF Membrane from US Water Systems Inc, with labeled parts A, B, C, and D showing airflow direction from left to right using advanced membrane technology.

  • A: 21" (533.4 mm)
  • B: 1.1" (27.94 mm)
  • C: 0.75" (19.05 mm)
  • D: 2.4" (60.96 mm)

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