ProMax Inline Refrigerator Water Filter

(12 customer reviews)


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Ready for better tasting ice and drinking water? The ProMax Inline Refrigerator Water Filter from ProOne is an easy-to-install inline filter for refrigerators and ice makers. It’s designed to improve water taste and smell, while removing harmful microorganisms, sediment and unwanted chemicals before they reach your cup or water bottle. 


Each stage of the ProMax filtration mechanism has an infused microstructure filtration media designed to target specific harmful contaminants, giving you and your family peace of mind – as well as clean water and ice. Featuring ProMaxTM Filter Technology, the BPA-free plastic housing unit filters out over 200 contaminants including chlorine, chloramines, Lead, Fluoride, PFOA, and more.


ProMax Inline Water Filters can be installed without professional help – the one-piece self-contained design has an easy mounting clip, no complicated outer mechanisms, and no separate filter cartridge to replace. The filter connects directly to the water supply line going to the refrigerator, utilizing your refrigerator unit’s standard 1/4” copper or plastic tubing. A flow rate of .50 GPM keeps a steady flow from the tap.


While generally designed for household refrigeration and ice making, these versatile filters are perfect for RVs, campers, boats, motor homes and commercial water coolers. Heavy metals, chlorine taste and odor can be problematic in recreational vehicle water tanks. ProMax inline filtration system uses activated charcoal to neutralize odors while removing undesirable contaminants, for the purest drinking water possible.


Recommended universal inline refrigerator water filter replacement: up 9 to months.


PM100-IC System Specifications:

  • Nylon compression fittings included
  • Cold water use only
  • Housing dimensions: 13.5″ tall x 2.75″ diameter
  • ProMaxTM Filter Technology
  • One-piece self-contained design
  • Includes mounting clip and screw
  • Easy to install
  • Universal fit
  • Fits 1/4″ copper or plastic tubing
  • Maximum flow rate is .50 GPM
  • Maximum pressure: 125 psi
  • Minimum temperature: 35° F
  • Contaminant Reduction: Refer to Lab Report
  • If maximum pressure is anticipated to exceed 125 psi, use a pressure reducing valve, not included.

Get the ProOne Advantage with Your Next Countertop, Gravity, or Whole Home Water Filter System!

ProOne Water Filters require no electricity, are easy to install, and can remove up to 220 contaminants. Enjoy the taste and feel of clean, refreshing water in your home! Get your home water filter system today!

Click here for instructions

Weight 2 lbs


12 reviews for ProMax Inline Refrigerator Water Filter

  1. Laura Couch (verified owner)

    Easy to install and water tastes great! I was interested in the gravity systems but didn’t want to lose my counter space or have to change the water every couple days. A bonus to this filter is that I now have filtered ice!

  2. Lauretta Nolen (verified owner)

    Love this in line filter for my refrigerator. It is so hard to find a filter that takes out more contaminants than the standard ones for the ice maker and water dispenser on refrigerators. Those do not take out enough I was feeling like I did not want to drink the water, now I have more water daily because I know the water is cleaner. I hope this company will continue to make this filter. I do not want to buy another setup when this works great on my refrigerator.

  3. Matt (verified owner)

    Easy to install water tastes better and filters the ice maker too

  4. Diane (verified owner)

    I love this filter and the fact that the water I get from my fridge is crisp & clean BUT installation wasn’t easy like other reviews state. Maybe it was just us, but when you have never done this before and need to get new tubing so the filter fits, you need detailed instructions. I wish ProOne provided a video demonstration. I had to fine another filter demo to even get a clue on how to do it, but since the filter was different, it caused confusion. Anyways, I still highly recommend.

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