Comparison : Item # M1-1S, Culligan® M1 Series 0.17 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Item # M1-2S, Culligan® M1 Series 0.35 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Item # M1-3S, Culligan® M1 Series 0.52 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Item # M1-4S, Culligan® M1 Series 0.69 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Item # M1-2L, Culligan® M1 Series 0.83 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System