NEW: NSF 53 - PFOA/PFOS Under Sink Filter
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PROQ2 5-Stage Alkaline Reverse Osmosis Under Sink System

RO & PH+ Alkaline Water Helps You
Restore essential minerals that other RO systems remove
Remineralize your water
Stay protected from acid water
Replenish lost water quickly
  • Safe Drinking Water — PROQ2 RO system verified to remove thousands of harmful contaminants that commonly appear in tap water like chlorine, fluoride, lead, arsenic and more. 50 GPD RO membrane ensures fast water flow, so you have access to pure water immediately.
  • PH+ Alkaline Water — The ceramic balls in the 5th-stage filter quickly releases the necessary minerals for the human body. The GAC carbon filter removes bad tastes and odors. Enjoy the clean and refreshing water with no bitter mineral taste.
  • No Leak Design — Double O-rings and unique filter design helps prevent leaks. 1/4 turn filter release design? makes filter changes easy to give you peace of mind.
  • Multiple Use — Great for drinking water, household use such as cooking. It can also be an RO water system for aquariums, or can be used in any other application where pure water is necessary.
  • Quality Parts — NSF certified lead-free brushed nickel RO faucet and 4 gal RO tank. All filters, tubings, and other parts are manufactured to comply with NSF standards for safety and water quality.
  • Quick Change Water Filter — Simply twist on and twist off! Makes changing filters quick and easy. Simply replace the corresponding filter according to the number on the RO cap. It is recommended to replace each filter every year.
  • Easy DIY Installation — It takes less than 20 minutes to install the alkaline water system. Check the instructional video on this page, or on YouTube. The entire water filtration system is compact and saves space under your kitchen sink.
proq2 ro reverse osmosis water filtration system diagram filter zoom in diagram
ro faucet satin nickle silver chrome
50 GPD Fast Flow
90° Single Handle
360° Rotation
Food Grade 304 SST

Stop Drinking Impurities

Remove thousands of harmful contaminants while keeping the necessary minerals for the human body from the tap water.
sediment and particles ro reverse osmosis replacement filter for proq2


Blocks large particles, sand, dust, and rust.

gac removes chlorine bad taste odors ro reverse osmosis replacement filter for proq2


Removes chlorine, bad tastes, and odors.

carbon block removes chloramine vocs and chemicals ro reverse osmosis replacement filter for proq2

Carbon Block

Removes chloramine, VOCs, and chemicals.

50 gpm ro membrane heavy metals ro reverse osmosis replacement filter for proq2

50 GPD RO Membrane

Catches contaminants smaller than 0.0001um, removes heavy metal

gac alkaline enhances taste ro reverse osmosis replacement filter for proq2

GAC+ Alkaline

Enhances taste, adds essential minerals

Get Started by Finding Out What’s in Your Water:
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