RO DI Aquarium

Reverse Osmosis, RO DI Systems and more! For Home, Aquarium and Business!

Popular RO DI Systems

Best Selling RO and RO DI Systems

Optima Automated 75 GPD RO DI System

Optima Vision 75 GPD RO DI System

Optima Vision Dual DI 75 GPD RO DI System

Optima Professional 75 GPD RO DI System

Popular RO DI Filter Sets

Best Selling Filter Sets

Optima 4 Stage Filter Set

Optima 5 Stage Filter Set

Optima CA Filter Set

Optima CE+ Filter Set

Weekly Specials

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WEEKLY SPECIAL: Optima Professional 100
$262.00 – $302.95
75 GPD Reverse Osmosis RODI Drinking Water Filter
$36.00
Aquatec 8800 pump
$119.00
Auto float upgrade kit
$19.95

All Filter Sets

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Optima Vision Filter Set
$29.95
Optima CE+ Filter Set
$65.00
Optima CA Filter Set
$48.00
Optima 5 Stage Filter Set
$36.50
Optima 5 Stage Filter Set w/ Bag
$32.00
Optima Professional Filter Set w/ Bag
$34.00
Optima CA/CE Pre Filter Set
$26.00
Optima 4 Stage Filter Set
$29.95
Optima 4 Stage Filter Set w/ Bag
$27.95
Optima Valueline Professional Pre-Filter Set
$20.00
Optima Valueline Dual Carbon Block Filter Set
$20.00
Optima Valueline Pre-Filter Set
$20.00
Optima 5 Stage Prefilter Set
$20.00
Optima Professional Prefilter Set
$18.95
Hydro Maxx Nano Filter Replacement Set
$12.00
Nano 3 Filter Replacement Set
$12.00
3 Stage Filter Set
$12.00
Hydro Maxx Filter Replacement Set
$12.00

Booster Pumps

Use Our Product Slider to View Our Booster Pumps

Aquatec Permeate pump
$58.00
Aquatec 8800 pump
$119.00
Aquatec 6800/8800 Pressure Switch
$24.00
Aquatec 6800 pump
$99.95
100 gpd Booster Pump
$89.95
Maxi Jet 1200
$29.95

Purely H2O's New Low Price Guarantee

Pure Solutions Unlimited, Inc. will Meet or Beat any competitors price on any comparable RO or RO DI System or Aquarium RO DI system, filters or any other item in our store and your satisfaction is guaranteed.