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Reverse Osmosis System Comparison

Reverse Osmosis Water Systems

Reverse Osmosis Water Systems

Reverse osmosis water filtration systems can remove 90% of total dissolved solids (TDS) from water and can provide the purest water available for your home. Reverse osmosis water filters remove a wide range of contaminants and minerals from your drinking water, including sand, chlorine, fluoride, cryptosporidium, and hexavalent chromium.

H2O Filter Warehouse Reverse Osmosis Systems

Model #: USRO4-60-QC-38-USA USRO4-100-QC-38-USA USRO5-60-QC-38-USA USRO5-100-QC-38-USA
Stages: 4 4 5 5
Membrane
Brand:
CSM CSM CSM CSM
Membrane
Media:
Thin Film Composite Thin Film Composite Thin Film Composite Thin Film Composite
Permeate Capacity
@ 60 PSI:
60 GPD 100 GPD 60 GPD 100 GPD
Prefilter
Type:
Spun Polypropylene Spun Polypropylene Spun Polypropylene Spun Polypropylene
Carbon
Block Type:
Coconut Shell Activated Carbon Coconut Shell Activated Carbon Coconut Shell Activated Carbon (x 2) Coconut Shell Activated Carbon (x 2)
Postfilter
Type:

Coconut Shell Activated Carbon

Coconut Shell Activated Carbon Coconut Shell Activated Carbon Coconut Shell Activated Carbon
Fitting Type: Quick-Connect Quick-Connect Quick-Connect Quick-Connect
Delivery Tube: 3/8" 3/8" 3/8" 3/8"
Bladder Tank:
NSF Certified
3.2 Gallon Metal Tank 3.2 Gallon Metal Tank 3.2 Gallon Metal Tank 3.2 Gallon Metal Tank
Booster Pump No No No No

Watts Reverse Osmosis Systems

Model #: W-525 W-525P-110 WQT4RO11-50MT WQT4RO11-50PT
Stages: 5 5 4 4
Membrane Brand: Watts® Watts® Watts® 'Quick Twist' Watts® 'Quick Twist'
Membrane Media: Thin Film Composite Thin Film Composite Thin Film Composite Thin Film Composite
Permeate Capacity
@ 60 PSI:
50 GPD 50 GPD 50 GPD 50 GPD
Prefilter Type: Spun Polypropylene Spun Polypropylene Spun Polypropylene Spun Polypropylene
Carbon Block Type: Bituminous Coal Bituminous Coal Bituminous Coal Bituminous Coal
Postfilter Type: Coconut Shell Activated Carbon Coconut Shell Activated Carbon Coconut Shell Activated Carbon Coconut Shell Activated Carbon
Fitting Type: John Guest Quick-Connect John Guest Quick-Connect John Guest Quick-Connect John Guest Quick-Connect
Delivery Tube: 3/8" 3/8" 3/8" 3/8"
Bladder Tank:
NSF Certified
4.0 Gallon Metal Tank 4.0 Gallon Metal Tank 4.0 Gallon Metal Tank 4.0 Gallon ROPRO Tank (Plastic)
Booster Pump No Aquatec Pump No No

Pentek Reverse Osmosis Systems

Model #: RO-2550 RO-3000 RO-3500
Stages: 4 3 3
Membrane Brand: GE Osmonics® GE Osmonics® GE Osmonics®
Membrane Media: Thin Film Composite Thin Film Composite Thin Film Composite
Permeate Capacity
@ 60 PSI:
36 GPD 36 GPD 36 GPD
Prefilter Type: Spun Polypropylene Sediment/Carbon Block Sediment/Carbon Block
Carbon Block Type: Bituminous Coal Bituminous Coal Bituminous Coal
Postfilter Type: Granular Activated Carbon Granular Activated Carbon Granular Activated Carbon
Fitting Type: John Guest Quick-Connect John Guest Quick-Connect John Guest Quick-Connect
Delivery Tube: 3/8" 3/8" 3/8"
Bladder Tank:
NSF Certified
2.8 Gallon Metal Tank 3.2 Gallon Metal Tank 3.2 Gallon Metal Tank
Booster Pump No No No

Hydrotech Reverse Osmosis Systems

Model #: 4VTFC9G 4VTFC25G 4VTFC50G 4VTFC75G
Stages: 4 4 4 4
Membrane Brand: Hydrotech® Hydrotech® Hydrotech® Hydrotech®
Membrane Media: Thin Film Composite Thin Film Composite Thin Film Composite Thin Film Composite
Permeate Capacity
@ 60 PSI:
9 GPD 25 GPD 50 GPD 75 GPD
Prefilter Type: String Wound String Wound String Wound String Wound
Carbon Block Type: Bituminous Coal Bituminous Coal Bituminous Coal Bituminous Coal
Postfilter Type: Bituminous Coal Bituminous Coal Bituminous Coal Bituminous Coal
Fitting Type: Quick-Connect Quick-Connect Quick-Connect Quick-Connect
Delivery Tube: 3/8" 3/8" 3/8" 3/8"
Bladder Tank:
NSF Certified
4.0 Gallon Metal Tank 4.0 Gallon Metal Tank 4.0 Gallon Metal Tank 4.0 Gallon Metal Tank
Booster Pump No No No No

Hydrotech Reverse Osmosis Systems (continued)

Model #: 4VTFC9G-PB 4VTFC25G-PB 4VTFC50G-PB 4VTFC75G-PB
Stages: 4 4 4 4
Membrane Brand: Hydrotech® Hydrotech® Hydrotech® Hydrotech®
Membrane Media: Thin Film Composite Thin Film Composite Thin Film Composite Thin Film Composite
Permeate Capacity
@ 60 PSI:
9 GPD 25 GPD 50 GPD 75 GPD
Prefilter Type: String Wound String Wound String Wound String Wound
Carbon Block Type: Bituminous Coal Bituminous Coal Bituminous Coal Bituminous Coal
Postfilter Type: Bituminous Coal Bituminous Coal Bituminous Coal Bituminous Coal
Fitting Type: Quick-Connect Quick-Connect Quick-Connect Quick-Connect
Delivery Tube: 3/8" 3/8" 3/8" 3/8"
Bladder Tank:
NSF Certified
4.0 Gallon Metal Tank 4.0 Gallon Metal Tank 4.0 Gallon Metal Tank 4.0 Gallon Metal Tank
Booster Pump No No No No

Information on Reverse Osmosis


Particle Size Removal Chart

Chart displaying the sizes of well-known objects and particulates, illustrated in the size of the micrometer (micron).

View the comparison chart for particle size removal.

Installing Replacement Cartridges and Sanitizing Filter Housings

Step by step instructions on installing replacement cartridges and sanitizing filter housings. It is highly recommended that you clean and sanitize your system once a year.

How Does Reverse Osmosis Work?

What is reverse osmosis? What is a 4-Stage system? What are the components in a system? Visit our 'How Reverse Osmosis Works' guide to find the answers.

Also see out list of contaminants RO removes and comparison chart for particle sizes to learn more.