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Reverse Osmosis Systems - Comparison Chart

Rioflow Reverse Osmosis Systems

Model #: USRO4-60-QC USRO4-100-QC-38 USRO5-60-QC USRO5-100-QC
Stages: 4 4 5 5
Membrane
Brand:		 ASPRING ASPRING ASPRING ASPRING
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: 1/4" 3/8" 1/4" 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		 3.2 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