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Pentek ROM-230T / ROM-230TN Reverse Osmosis Membrane

Price $146.99 List Price Price $209.99 Save 30%
Availability: In Stock - Free Shipping
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  • 1Filter$146.99 
  • 3Filters Price $138.30 each
  • 6Filters Price $132.29 each
The Pentek ROM-230TN RO membrane reduces dissolved minerals, certain salts, lead, arsenic, nitrate/nitrite, giardia & cryptosporidium cysts. The Pentek ROM-230T/Pentek ROM-230TN has a membrane life of up to 2 years. The membrane life depends on water usage and the quality of your water. Alternate Part Number: Ametek/Ametek KleenPlus/Culligan/Pentek/USFilter ROM-230T 155854, 155854-01 Reverse Osmosis Membrane. Alternate Part Number: Ametek/Ametek KleenPlus/Culligan/Pentek/USFilter ROM-230TN 155855, 155855-19, and 155855-43. The Pentek ROM-230T membrane and the Pentek ROM-230TN reverse osmosis membrane are interchangeable. Tested and certified by NSF International against ANSI/NSF Standard 58 in Reverse Osmosis System RO-3500. The Pentek ROM-230TN RO membrane cannot ship to California, Iowa, or Wisconsin.
Package Qty1
Used In BrandsAmerican Plumber, Ametek, Culligan, Ideal Choice, Kleen-Plus, Pentek, US Filter
Manufacturer's IdROM-230TN
Primary Filter MediaSemi-Permeable Membrane
Filter Life (months)24 months
Flow Rate (gpd)50
CertificationsNSF/ANSI Standard 58
Additional InformationProduct cannot ship to California, Iowa, or Wisconsin

Reduced Contaminants

The PENTEK-ROM-230TN reduces the following contaminants:

  • Arsenic 98.90%
  • Barium 90.70%
  • Cadmium 97.30%
  • Chromium (III / Trivalent) 92.80%
  • Chromium (VI / Hexavalent) 86.60%
  • Copper 99.90%
  • Cysts 99.99%
  • Lead 98.70%
  • Nitrates / Nitrites 80.70%
  • Radium 80%
  • Selenium 97.50%
  • Total Dissolved Solids (TDS) 90.20%
  • Turbidity 99.70%

The PENTEK-ROM-230TN is comparable with the following part numbers

155855-43 155855-51
230TN ROM230TN


  1. Change your filters and membrane at the recommended frequency
  2. Clean your system occasionally with a product like Sani-System SS96RO, an easy to use, pre-measured, reverse osmosis system sanitizer (purchasable separately)