Aquarium supplies for your fish tanks, reef tanks and water gardens.Home
Specials & Clearance Aquarium Products: Sign up for our newsletter for special articles, promotions and coupon codes.Specials
New Aquarium ProductsNew Items
Aquarium Fish & Reef Education CenterEducation
Aquarium Fish & Reef ForumsForums
Help and InformationHelp & Info
Pet supplies, Pet products, and Pet Accessories for your dogs, cats, birds, fish, reptiles or small pets. Pet experts are available to help you.
New Customer? Register | Sign In
Over a half million orders shipped since 1997 • Free Shipping on Orders Over $175 • Same-Day Shipping • Price Match Guarantee
Deal of the Day!
Time Left
00:00:00
Only: $89.99
Narrow Your Search
Saltwater Aquarium Supplies
Clearance
Reverse Osmosis
Testing Equipment
Freshwater Aquarium Supplies
Reverse Osmosis
 
Shop By Brand
AquaticLife
Captive Purity
Kent Marine
Neptune Systems
Seachem
SpectraPure
Vertex Aquaristik
 
Browse by Price
$50 or less $50-$220 $220-$355 $355 and more
 

Top sellers
RO/DI Replacement Filter ... Color Indicating Mixed Be... Kent Marine Hi-S DI Repla... SpectraPure® MaxCap Hi Ca... Mixed Bed DI Cartridge Captive Purity Deluxe RO/...
 
 
Aquarium Supplies  
Additives
Air Pumps
Aquariums
Books & Cd's
Calcium Reactors
CO2 Regulator
Chillers
Controllers
Dosing Pumps/Top-Off
Filters
Filter Media
Food
Freshwater Products
Heaters
Hydrometer
Lighting
Maintenance
Medications
Miscellaneous
Overflow Boxes
Ozonizers
Plumbing Parts
Powerheads
Protein Skimmers
Pumps (External)
Reverse Osmosis
Salt Mix
Substrate
Test Kits
Thermometers
UV Sterilizers
Wavemakers
Wet/Dry Filters
Shop By Brand


Pond Supplies

Reef Tank Packages

Betta Fish Supplies

Coral Propagation

Planted Aquariums

Clearance

Catalog Quick Order

Gift Certificates

Marine Depot Videos

Home » 33 items found
Selected Filters:
 Search Term:

RO DI system

  Search my results: 
Sort By: Display items:
Search Suggestions: replacement filter | float valve | ro di | filter | ro | di | float | di filter | maxxima | kent
|<< Previous 1 2 3 Next >>|
SpectraPure® MaxCap Upgrade Kit for 5-Stage RO/DI and SP2000 Filter Systems

SpectraPure® MaxCap Upgrade Kit for 5-Stage RO/DI and SP2000 Filter Systems

MaxCap DI Upgrade Kit for 5-Stage RO/DI systems and SP2000, MaxCap Cart, Silica Buster Cart, Dual Probe TDS Mt Everything you need for most systems to convert to A MaxCap based DI system. Produce DI at half the cost of other syste...

Avg. Customer Review (2) reviews

Reverse Osmosis: See all items

Related Searches: filter | replacement filter | poly filter | spectrapure
Our Price: $79.99
Item Code: SP1761
SpectraPure® Maxpure RO/DI System

SpectraPure® Maxpure RO/DI System

SpectraPure® MaxPure MPDI Systems incorporate high-flow high-rejection TFC membranes, a 1 micron sediment filter, a 10 micron carbon block filter, and a custom formulated 10” color-change DI cartridge. MPDI systems are available f...

Avg. Customer Review (10) reviews

Reverse Osmosis: See all items

Related Searches: ro di | spectrapure | ro | filter
Price Range:
$159.99 to $259.99
SpectraPure® MaxCap RO/DI System w/ Pressure Gauge & Purity Monitor

SpectraPure® MaxCap RO/DI System w/ Pressure Gauge & Purity Monitor

High-Tech, High Volume Ultra-Pure Water with 99.95% Silica Removal and Extended DI Cartridge Life. DI WATER at HALF the COST! Ultra-high purity water (18.2 megohm-cm resistivity) at an very economical price; water purification ...

Avg. Customer Review (8) reviews

Reverse Osmosis: See all items

Related Searches: maxcap | ro di | spectrapure | ro system
Price Range:
$269.99 to $329.99
Kent Marine Deluxe Hi-S Maxxima RO/DI System

Kent Marine Deluxe Hi-S Maxxima RO/DI System

KENT MARINE DELUXE HI-S MAXXIMA 35 GPD RO/DI SYSTEM Hi-S RO/DI System Feature Disposable Mixed Bed Resin Cartridge Carbon Block Pre-Filter 1 Micron Sediment Pre-Filter Available in 35gpd and 60gpd Deionizing res...

Avg. Customer Review (14) reviews

Reverse Osmosis: See all items

Related Searches: maxxima | ro di | ro | water
Price Range:
$349.99 to $389.99
Captive Purity Pro RO/DI Filter System - Clear Canisters

Captive Purity Pro RO/DI Filter System - Clear Canisters

Captive Purity represents the highest quality in reverse osmosis technology. Captive Purity Reverse Osmosis Systems meet stringent standards and far exceeds the quality of systems from other manufacturers. A wide variety of option...

Avg. Customer Review (19) reviews

Reverse Osmosis: See all items

Related Searches: captive purity | ro di | ro | filter
Price Range:
$279.99 to $299.99
Kent Marine Hi-S Maxxima RO/DI System

Kent Marine Hi-S Maxxima RO/DI System

The MAX35HiS is a 4 stage 35 gallon per day RO/DI unit with clear canisters. These filters will provide the purest water possible. This unit will remove 99.9% of tap water contaminants, providing lab grade water. The MAX35HiS incl...

Avg. Customer Review (11) reviews

Reverse Osmosis: See all items

Related Searches: ro | ro di | maxxima | kent 4 stage
Our Price: $289.99
Kent Marine Maxxima RO/DI System

Kent Marine Maxxima RO/DI System

Kent Marine Maxxima RO/DI System features: Disposable Mixed Bed Resin Cartridge Carbon Block Pre-Filter 1 Micron Sediment Pre-Filter Available in 24 GPD and 50 GPD Deionizing resin with a color change indicater t...

Avg. Customer Review (5) reviews

Reverse Osmosis: See all items

Related Searches: maxxima | ro | ro di | ro di
Price Range:
$269.99 to $294.99
AquaticLife™ Four Stage RO/DI Professional Water Purification System

AquaticLife™ Four Stage RO/DI Professional Water Purification System

AquaticLife™ Four Stage RO/DI Professional Water Purification Systems are designed for ease-of-use and years of life. Available in Deluxe and Power models, these RO Units remove harmful substances such as heavy metal ...

Avg. Customer Review (4) reviews

Reverse Osmosis: See all items

Related Searches: filter | ro water | water | ro di
Our Price: $239.99
SpectraPure® Drinking Water Kit For RO/DI System

SpectraPure® Drinking Water Kit For RO/DI System

Model # : DWK-DI-03-N Drinking water kit with 3 gallon storage tank for RO/DI systems SpectraPure® Spectra Drinking Water Kits include a space saving 3 gallon pressurized tank, a manual tank shut-off valve, a water conservi...

Avg. Customer Review (1) reviews

Reverse Osmosis: See all items

Related Searches: water | ro di | drinking water | drinking water kit
Price Range:
$144.99 to $359.99
Captive Purity Deluxe RO/DI Filter System - Clear Canisters

Captive Purity Deluxe RO/DI Filter System - Clear Canisters

Captive Purity represents the highest quality in reverse osmosis technology. Captive Purity Reverse Osmosis Systems meet stringent standards and far exceeds the quality of systems from other manufacturers. A wide variety of option...

Avg. Customer Review (13) reviews

Reverse Osmosis: See all items

Related Searches: captive purity | replacement filter | ro di | ro filter
Price Range:
$214.99 to $229.99
Puratek RO/DI Filter System

Puratek RO/DI Filter System

Puratek 100GPD RO/DI System Marine systems have proven to be one of the most fragile mini ecosystems /Biotopes to maintain. Numerous variables need to be considered & maintained in a tight range to ensure success. As always...

Avg. Customer Review (12) reviews

Reverse Osmosis: See all items

Related Searches: puratek | ro di | puratek ro di | ro filter
Price Range:
$299.99 to $399.99
SpectraPure® MaxCap UHE Ultra-High Efficiency 5-Stage 100GPD RO/DI System

SpectraPure® MaxCap UHE Ultra-High Efficiency 5-Stage 100GPD RO/DI System

Our NEW UHE MaxCap™ (Ultra-High Efficiency 5-Stage) system has been designed to conserve one of our most precious resources.... water. We have miniaturized the technology used in our commercial PSP systems to achieve an incredible...

Be 1st to review

Reverse Osmosis: See all items

Related Searches: filter | ro di | osmosis systems | di
Our Price: $1,013.99
Item Code: SP1731
SpectraPure® 90 GPD ProPLUS RO/DI System

SpectraPure® 90 GPD ProPLUS RO/DI System

SpectraPure® PROPLUS MaxPure MPDI Systems incorporate high-flow high-rejection TFC membranes, a 1 micron sediment filter, a 10 micron carbon block filter, and a custom formulated 10” color-change DI cartridge. MPDI systems are ava...

Avg. Customer Review (1) reviews

Reverse Osmosis: See all items

Related Searches: proplus
Our Price: $199.99
Item Code: SP1811
SpectraPure® CSP -DI RO/DI System

SpectraPure® CSP -DI RO/DI System

SpectraPure® CSP-DI Systems feature SpectraSelect TFC membranes (guaranteed >98% rejection), a 0.5 µm MicroTec sediment filter, and a 0.5 µm Carbon Block Pre-Filter (for greatly enhanced membrane life), plus a 33% larger capaci...

Avg. Customer Review (4) reviews

Reverse Osmosis: See all items

Related Searches: spectrapure | ro di | di | csp di
Price Range:
$294.99 to $399.99
Feed Water Adapter For RO System

Feed Water Adapter For RO System

Standard pipe fitting to feed RO or RO/DI filter. 1/2" male x 1/2" Female x 1/4" tubing. This fitting allows you connect your RO or RO/DI unit directly to the plumbing underneath the sink. A ball valve is include so you can easil...

Avg. Customer Review (2) reviews

Reverse Osmosis: See all items

Related Searches: feed water adapter | faucet adapter | adapter | feed air
Our Price: $13.99
Item Code: RO1315
|<< Previous 1 2 3 Next >>|
Shopping Cart
Cart:
Subtotal:
Shipping:
Total:
0 items
$0.00
$0.00 $0.00
Cart:
Subtotal:
Shipping:
Total:
View Cart
Checkout
Bill Me Later PayPal
Free Shipping! On orders over $175.00 BBB OnLine Reliability Program Marine Depot BizRate Customer Certified
Email Specials
Subscribe to our newsletter feed.
Newsletter Tips & Tricks! New Products!
Discounts & Promos!
Subscribe
Testimonials
March 06, 2010
"Marine Depot is AWESOME. I purchased my item and it was at my home in two days using normal UPS shipping!!! Thank you for your great customer service."
Michael

March 05, 2010
"Delivery time is unsurpassed. If you need it fast, there is no place faster than Marine Depot for standard shipping. They also have almost anything I could need for a reef tank."
Grey Seaslug

March 01, 2010
"They have so many great products and it’s a very easy website to navigate! From all-in-one to do-it-yourself, there is something for everyone! Awesome summaries at the top of every major heading! This company does a great job and the website is great!"
David Peron

Marine Depot Reef Squad
Aiptasia Solutions - Starting at $6.74