Are residential-scale systems too slow, and commercial systems too expensive for your application?   Meet The Gapper - an RO system that utilizes the best of both worlds to deliver up to 400 gpd at an incredibly affordable price!  True to its name, the Gapper fills the gap between traditional residential-scale RO's that produce up to 150 or 200 gpd, and commercial RO's that typically begin at 500 gpd.

The Gapper features three 20" x 2.5" standard-sized prefilters - one sediment filter and two carbon blocks; a low energy, made-in-the-USA commercial RO membrane; liquid-filled pressure gauge; high pressure pump; auto flush valve; feed water solenoid valve; housing wrench; stainless steel membrane housing, and an incredible 1:1 waste water to purified water ratio!  Includes 10 feet of 3/8" feedwater tube (blue) and permeate tube (white), 10 feet of 1/4" concentrate tubing (yellow), and 10 feet of 1/2" white tubing to facilitate rinsing new carbon blocks.  With 98.5% rejection, The Gapper is an excellent choice to purify your water before it's delivered to a deionization stage.

The Gapper measures 27" wide, 29" tall, and 8" deep.  You'll need several extra inches below the housings to facilitate filter changes.

Selecting Your Pre-Filter Package

• Value Package: Best for standard chlorinated feedwater. This option provides reliable, everyday filtration to protect your system and maintain performance. Includes: 
• (1) 5 micron Sediment Filter
• (2) 5 micron Workman Carbon Block Filters
• Premium Package: Ideal for chlorinated feedwater when you want enhanced filtration and long-laster performance. This package captures finer particles and offers higher contaminant capacity for extended use. Includes:
• (1) 1 micron Sediment Filter
• (2) 0.5 micron Chlorine Grabber Carbon Block Filters
• Chloramine Package: Designed for feedwater treated with chloramines, or for those seeking maximum chlorine/chloramine removal. This option provides targeted filtration to protect your RO system from hard-to-remove disinfectants. Includes:
• (1) 1 micron Sediment Filter
• (2) 1 micron Chloraguard Chloramine Carbon Block Filters

Operating limits identified below

These limits should not be exceeded. Permeate flow and salt rejection based on 550 ppm, 100 psi, 77°F (25°C), pH 7, and 50% recovery.

Maximum Feed Temperature: 90°F
Minimum Feed Temperature: 40°F
Maximum Feed Pressure: 85 psi
Minimum Feed Pressure: 30 psi
Maximum Operating (Pumped) Pressure: 130 psi
Maximum SDI Rating: < 3 SDI
Maximum Turbidity: 1 NTU
Maximum Free Chlorine at Membrane: 0 ppm
Maximum TDS: 2000 ppm
Maximum Hardness: 1 Grain/Gallon
Maximum pH (Continuous): 11
Minimum pH (Continuous): 4
Maximum pH (Cleaning 30 Min.): 12
Minimum pH (Cleaning 30 Min.): 2