AXEON HF1-2521 Reverse Osmosis Membrane

List Price $219.42 Factory Direct Price $146.28 Sale Price $121.90
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AXEON® HF1–Series Membrane Elements are manufactured using the industry’s leading membrane film technology. These membranes offer reliability, high performance and deliver consistent results. They provide increased production, high rejection rates and low energy consumption by operating at low applied pressures.

AXEON HF1–Series Membrane Elements are one of the industry’s most reliable and highest performing reverse osmosis membrane elements. AXEON HF1–Series Membrane Elements are available in all standard commercial sizes and feature a protective ABS shell. Advanced membrane technology and manufacturing processes ensure high quality and performance. All elements are shipped dry for an indefinite shelf life, easier handling, and a lighter shipping weight. AXEON HF1–Series Membrane Elements are 100% vacuum integrity tested and may also be ordered as individually wet tested.


  • Superior Quality and Cost Savings
  • Individually Inspected, Qualified and Vacuum Tested
  • All Industry Standard Sizes
  • Low Energy with High Flow Rates
  • Improved RO System Performance


  • Description: HF1-2521
  • Applied Pressure (psi / bar): 150 / 10.34
  • Permeate Flow Rate (gpd / m³/d): 400 / 1.51
  • Nominal Salt Rejection %: 99

Dimensions (Inches) tap-water-ro-membrane-dimensions.png

A: 21
B: 1.1
C: 0.75
D: 2.40

Operating Limits:

  • Membrane Type: Polyamide Thin-Film Composite
  • Maximum Operating Temperature (°F / °C): 113 / 45
  • Maximum Operating Pressure (psi / bar): 600 / 41
  • pH Range, Continuous Operation: 2 - 11
  • pH Range, Short Term Cleaning (30 Min.): 1 - 13
  • Maximum Feed Silt Density Index (SDI): 5
  • Chlorine / Chloramine Tolerance (ppm): 0
  • Maximum Feed Flow Rate (gpm): 6

additional information

Filter Size2.5 x 21
Filter TypeMembranes