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101 - 125 of 171
Inline Carbon Filter - 1/4 inch FPT x 1/4 inch FPT

Inline Carbon Filter - 1/4 inch FPT x 1/4 inch FPT

Inline carbon filter with 1/4" FPT fittings on both ends. Designed to be used as a pre R/O filter . Granular activated carbon filter used to reduce taste, odor and chlorine taste and odor. Great for ice makers, refrigerators, bev...

$17.99
AquaFX Chloramine Blaster Carbon Refill - 1.2 lb.

AquaFX Chloramine Blaster Carbon Refill - 1.2 lb.

A standard carbon block works well to remove chlorine, however, more and more municipalities are adding ammonia to the water treatment processes to stabalize the chlorine from releasing harmful by-products into the water. As you m...

$12.50
AquaFX Color-Indicating DI Cartridge

AquaFX Color-Indicating DI Cartridge

AquaFx DI is the leader in making sure your final product water is 0 TDS. The resin AquaFx uses is ideal for making laboratory grade type 1 water, which is perfect for top off water for your reef, salt and corals. AqauFX will alwa...

$23.99
JG 1/4 inch x 3/8in NPTF Male Adaptor - Gray

JG 1/4 inch x 3/8in NPTF Male Adaptor - Gray

Color: Gray John Guest Part# : PI010823S Tube O.D.: 1/4" Thread NPTF: 3/8" How to make a connection: Cut tube square Cut the tube square. It is essential that the outside diameter be free of score marks and that burrs and s...

$2.49
Replacement Single Clip for RO unit

Replacement Single Clip for RO unit

Replacement Clip: holds TFC membrane housing onto RO system filter bracket. Two clips are needed for each TFC membrane housing. **Variations of this product can be found in many online stores. The version we carry is of th...

$1.99
Marine Depot KleanWater 4-Stage Advanced RO/DI System - 100 GPD

Marine Depot KleanWater 4-Stage Advanced RO/DI System - 100 GPD

Made in the USA! We have assembled a high quality yet economical water purifying system that turns ordinary tap water into ultra-pure, zero-TDS, water for your aquarium. Harmful impurities such as nitrates, phosphates, silica...

$199.99
Replacement Double Clip for Compact/Bare Bone 2-Stage RO Unit

Replacement Double Clip for Compact/Bare Bone 2-Stage RO Unit

Replacement Double Clip: hold together 2 TFC membrane housings, or 1 membrane housing and 1 inline cartridge (two clips required). **Variations of this product can be found in many online stores. The version we carry is of...

$1.49
Captive Purity Single Deionization Canister

Captive Purity Single Deionization Canister

A quick and easy way to add De-Ionization to any RO system or to add a secondary DI stage to any RO/DI system. Standard Add-On DI includes clear canister with mounting bracket, Color-Change DI cartridge and 10` of RO tubing.

$43.49
Replacement TFC Membrane Housing

Replacement TFC Membrane Housing

Replacement TFC Membrane Housing: 1/8" FPT x 1/8" FPT x 1/8" FPT. **Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price m...

$18.99
AquaFX Chloramine Blaster Upgrade Kit

AquaFX Chloramine Blaster Upgrade Kit

A standard carbon block works well to remove chlorine, however, more and more municipalities are adding ammonia to the water treatment processes to stabilize the chlorine from releasing harmful by-products into the water. As you m...

$59.99
Mur-Lok® 1/2 Inch x 1/2 Inch Union Connector

Mur-Lok® 1/2 Inch x 1/2 Inch Union Connector

Color: White Mur-lok Part# : R0820826 Tube O.D.: 1/2" Mur-lok fitting information Mur-lok® Polypropylene Fittings have a dual o-ring design at each tube connection, giving end users confidence in their fitting connections....

$2.99
SpectraPure® Single Tank Liquid Replenisher

SpectraPure® Single Tank Liquid Replenisher

SpectraPure® Liquid Level Controller (LLC-S) Single Tank Liquid Replenisher Liquid Level Controller for use with system up to 90 GPD For automatic replenishment of evaporated liquid and liquid level control on single tanks,...

$119.99
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...

From $220.99
JACO Female Connector - 1/4 inch Tube O.D. x 1/8in FPT

JACO Female Connector - 1/4 inch Tube O.D. x 1/8in FPT

JACO Part# : 25-4-2 Note: Tube O.D. and pipe thread measurements are two different standards of measurements. They do not connect. As an example, 1/4" Female Tube O.D. will not connect to a 1/4" Male Pipe Thread.

$1.49
Captive Purity Deluxe RO Filter System

Captive Purity Deluxe RO Filter System

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...

From $118.99
SpectraPure® MaxCap 2-Stage Add-on Assembly System

SpectraPure® MaxCap 2-Stage Add-on Assembly System

Max-Cap DI Retro-Fit Kit, 2 Sta w/ Silica Buster, 10in Clr Carts, TDS Mtr, w/Filt Wr Everything you need for most systems to add a two stage DI to your RO system with MaxCap high capacity DI cartrdige.

$105.99
Captive Purity  Single Deionization Canister with TDS Meter

Captive Purity Single Deionization Canister with TDS Meter

A quick and easy way to add De-Ionization to any RO system or to add a secondary DI stage to any RO/DI system. Deluxe Add-On DI includes clear canister with mounting bracket, DI cartridge, 10` of RO tubing and an In-Line TDS M...

$69.99
Hanna Instruments Primo TDS Tester

Hanna Instruments Primo TDS Tester

Direct probe connection Automatic calibration Automatic Temperature Compensation The Primo series of testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. It...

$40.99
SpectraPure® U.P.L.C. Ultra-Precise Level Controller II

SpectraPure® U.P.L.C. Ultra-Precise Level Controller II

SpectraPure® Ultra-Precise ATO holds your tank's salinity constant while adding replacement water or Kalc in small doses. The pump can operate in either "fill mode" or "drain mode" when the water level changes. The Sensor Tube can...

$249.99
SpectraPure® High Flow Booster Pump Kit for Automatic Flush RO/DI Systems

SpectraPure® High Flow Booster Pump Kit for Automatic Flush RO/DI Systems

High Flow Booster Pump Kits for SpectraPure Auto-Flush (-AF) Systems For all SpectraPure Automatic Membrane Flush RO & RODI Systems up to 100GPD. They use a 24Volt DC, 2.5Amp Universal (110-240VAC input) Power Supply. This pow...

$159.99
Captive Purity 3 Gallon Drinking Water Kit for RO and RO/DI Systems

Captive Purity 3 Gallon Drinking Water Kit for RO and RO/DI Systems

Captive Purity Drinking water kit with 3 gallon storage tank for RO and RO/DI systems The Captive Purity Drinking water kit allows you to easily convert your RO or RO/DI system in to an under-the-sink drinking water system. N...

$79.99
Mur-Lok® Locking Clips for RO Fittings - 5 Pack

Mur-Lok® Locking Clips for RO Fittings - 5 Pack

Color: Red Mur-lok Part# : Y0420009 Quantity: 5-Pack Mur-lok fitting information Mur-lok® Polypropylene Fittings have a dual o-ring design at each tube connection, giving end users confidence in their fitting connections....

From $2.45
AquaFX High Silicate Removal DI Cartridge

AquaFX High Silicate Removal DI Cartridge

AquaFx DI is the leader in making sure your final product water is 0 TDS. The resin AquaFx uses is ideal for making laboratory grade type 1 water, which is perfect for top off water for your reef, salt and corals. AqauFX will alwa...

$25.99
AquaFX Octopus RO/DI System with Chloramine Blaster Upgrade - 200 GPD

AquaFX Octopus RO/DI System with Chloramine Blaster Upgrade - 200 GPD

Made in the USA! The AquaFX Octopus is the most automated RO/DI system AquaFX offers. If you are really busy and have a reef tank this system may be perfect for your application. Able to produce up to 200 gallons per day this...

$477.99
AquaFX High Pressure Automatic Shut Off Kit

AquaFX High Pressure Automatic Shut Off Kit

*Sold as a kit, This product will only work when used in conjunction with a check valve (Back flow preventer, Included in kit)* This High Pressure ASO is designed to shut off at 60% of line pressure and has built-in ports for Q...

$27.00
101 - 125 of 171
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