Excellent water quality is a smart business decision.

When you install a G1 Reverse Osmosis system, you combine cost-effective system configuration, cost-minimizing operations, and reduced post-treatment costs. The G1 Reverse Osmosis system helps you reduce maintenance costs by reducing contaminants (Contaminants may not necessarily be in your water.) from your water that affect taste and clog equipment. Control your installation costs by using a system configured for your unique needs. Keep your operating costs low by monitoring and changing the G1 RO settings with an easy-to-use electronic controller. Purchasing a G1 RO is more than a sound business decision - you improve the quality of life for your building.
Culligan® G1 Series Reverse Osmosis Systems
Unit of Measure
1 

Item #

Item Name

Inlet Pressure (Dynamic)

Maximum Operating Pressure

Length

Width

G1-2S N/A Culligan® G1 Series 0.35 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System N/A 20 to 50 psig1.4 to 3.5 bar N/A 95 to 225 psig6.6 to 15.5 bar N/A 37 in940 mm N/A 10 in254 mm
G1-3S N/A Culligan® G1 Series 0.52 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System N/A 20 to 50 psig1.4 to 3.5 bar N/A 95 to 225 psig6.6 to 15.5 bar N/A 37 in940 mm N/A 10 in254 mm
G1-4S N/A Culligan® G1 Series 0.69 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System N/A 20 to 50 psig1.4 to 3.5 bar N/A 95 to 225 psig6.6 to 15.5 bar N/A 37 in940 mm N/A 10 in254 mm
G1-2L N/A Culligan® G1 Series 0.83 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System N/A 20 to 50 psig1.4 to 3.5 bar N/A 95 to 225 psig6.6 to 15.5 bar N/A 37 in940 mm N/A 10 in254 mm
G1-3L N/A Culligan® G1 Series 1.18 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System N/A 20 to 50 psig1.4 to 3.5 bar N/A 95 to 225 psig6.6 to 15.5 bar N/A 37 in940 mm N/A 10 in254 mm
G1-4L N/A Culligan® G1 Series 1.53 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System N/A 20 to 50 psig1.4 to 3.5 bar N/A 95 to 225 psig6.6 to 15.5 bar N/A 37 in940 mm N/A 10 in254 mm
G1-1F N/A Culligan® G1 Series 1.39 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System N/A 20 to 50 psig1.4 to 3.5 bar N/A 95 to 225 psig6.6 to 15.5 bar N/A 37 in940 mm N/A 10 in254 mm
G1-2F N/A Culligan® G1 Series 2.78 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System N/A 20 to 50 psig1.4 to 3.5 bar N/A 95 to 225 psig6.6 to 15.5 bar N/A 37 in940 mm N/A 10 in254 mm
Unit of Measure
1