3K 121-75 Reverse Osmosis System

The new extremely compact and redesigned residential reverse osmosis water filtration system. This four stage system is equipped with quick connect technology for an easy installation combined with a 75 gallon per day membrane for a continuous supply of water is perfect for the whole family. The yearly filter change is very easy and is one of the systems that does not require a technician for yearly service. The system is equipped with 75 gallons per day LOW WASTE 1:1 production and waste ratio. Very compact and high capacity system for customers who are concern with the limited space under the kitchen sink without sacrificing the water quality. 



  • 4 Stage Reverse Osmosis System
  • Up to 75 GPD (Gallons Per Day) production
  • Quick Connect  connections
  • Can be upgraded to faster production rate
  • Can be equipped with UV light
  • Can be converted to ALKALINE system 
  • Easy installation 
  • Hassle free
  • Easy filter change, no need for a technician 



  • Operating Temperatures: Maximum 100°F (37.8°C) Minimum 40°F (4.4°C)
  • Operating Pressure: Maximum 80 psi (5.90 g/cm2) Minimum 40 psi (2.80 kg/cm2)
  • PH Parameters; Maximum 11 Minimum 2
  • Iron: Maximum 0.2 PPM
  • TDS (Total Dissolved Solids) <1800 PPM
  • Turbidity: <5NTU


 Dimensions (L x W x H):

  • System - 9" x 6" x 15"
  • Tank - 9.5" Dx 13.5" H