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51 - 75 of 171
JG 1/4 inch x 1/4 inch NPTF Male Elbow - White

JG 1/4 inch x 1/4 inch NPTF Male Elbow - White

Color: White John Guest Part# : CI480822W Tube O.D.: 1/4" Thread NPTF: 1/4" How to make a connection Cut tube square It is essential that the outside diameter be free of score marks and that burrs and sharp edges be removed...

$3.99
AquaticLife Replacement Sediment Cartridge for RO Buddie Reverse Osmosis System

AquaticLife Replacement Sediment Cartridge for RO Buddie Reverse Osmosis System

Replacement Sediment Cartridge for AquaticLife RO Buddie Sediment cartridge removes particulate material found in tap water.

$7.99
Captive Purity Replacement O-Ring for RO Filter System

Captive Purity Replacement O-Ring for RO Filter System

Replacement O-Ring for Captive Purity 10” RO/DI Canisters Fits 10” Captive Purity RO/DI Canisters. O-rings can wear out over time on RO/DI filters and cause leaks. Replace your o-rings and avoid future problems. Do not over...

$2.49
Mur-Lok® LLPE Blue Polyethylene Tubing (Per Foot)

Mur-Lok® LLPE Blue Polyethylene Tubing (Per Foot)

Color: Blue Mur-lok Part# : L0802505 (Sold PER FOOT) 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 fit...

$1.49
SpectraPure® MaxCap RO/DI System w/ Automatic Flush

SpectraPure® MaxCap RO/DI System w/ Automatic Flush

Overview: Now comes with Spectrapure`s new Spectra SelectPlus 99% rejection membrane. SpectraPure® 90gpd MAXCAP® RODI System w/ Automatic Membrane Flush incorporates a 90gpd high-silicate removal TFC membrane, 0.5 micron MicroTe...

From $439.99
Kent Marine Hi-S TFC Membrane

Kent Marine Hi-S TFC Membrane

Replacment Kent Marine 35GDP Hi-S TFC membrane Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We have researched for the...

From $95.49
SpectraPure® Mixed Bed DI Cartridge - Color-Indicating - SuperDI

SpectraPure® Mixed Bed DI Cartridge - Color-Indicating - SuperDI

SpectraPure® Mixed-Bed Resin Cartridges provide ultra-pure de-ionized water and are tested to 18 meg ohm-cm purity. 33% more removal capacity than other standard mixed-bed DI cartridges Proprietary High Flow, Low Pressure D...

$29.99
HM Digital Pocket-Sized TDS Meter w/ Thermometer

HM Digital Pocket-Sized TDS Meter w/ Thermometer

Pocket Sized TDS Meter w/ digital thermometer in aquarium-specific packaging. The world’s smallest and lightest TDS meter also comes with a built-in digital thermometer. It is a true pocket size meter, comfortably fitting into...

$22.49
SpectraPure® Auto Shut Off Valve Float Kit for RO Systems

SpectraPure® Auto Shut Off Valve Float Kit for RO Systems

SpectraPure® Auto Shut Off Valve Float Kit for RO System Positive shut-off; completely shuts off all waste & product water: great for topping off reservoirs Economical The Auto Shut-Off Float Kit is not recommended f...

$45.99
Seachem Pinnacle + RO/DI

Seachem Pinnacle + RO/DI

Reverse osmosis, also known as hyper-filtration, is the finest filtration known. This process will allow the removal of particles as small as ions from a solution. Reverse osmosis is used to purify water and remove salts and other...

From $499.99
AquaticLife Float Valve Kit for RO and RO/DI Systems

AquaticLife Float Valve Kit for RO and RO/DI Systems

The Aquatic Life Float Valve Kit allows you to fill large tanks, containers, and aquariums automatically. If you are using this with a reverse osmosis or RO/DI system, you will not need any other components, as this includes the n...

$21.99
JACO 1/4 inch Pipe Nipple

JACO 1/4 inch Pipe Nipple

JACO Part# : PN-4

$0.99
Kold Ster-il Replacement Cartridge

Kold Ster-il Replacement Cartridge

Replacement Cartridges for Ster-il Filtration System - 3 pack 1 - 0.5 micron bonded carbon block filter 1 - Molecular Absorption Disc Media 1 - Fin-L-Filter 0.20 Micron bag filter (U.S. Patent)

$84.99
TDS Calibration Solution

TDS Calibration Solution

Calibration Fluid for TDS meter with automatic temperature compensation. **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 p...

$1.99
Aquatic Life Replacement TFC Membrane

Aquatic Life Replacement TFC Membrane

Replacement 50GPD TFC Membrane for AquaticLife RO Buddie or any standard Reverse Osmosis system. Polyamide membrane material with a negative charge removes harmful substances 11 3/4" standard size fits Aquatic Life and ot...

From $49.99
Captive Purity Bulk Deionization Resin

Captive Purity Bulk Deionization Resin

Bulk Deionization Resin. Enough to fill one refillable DI cartridge. * Make sure to pack the cartridge tightly to avoid channeling / bypass.

From $11.99
SpectraPure® Mixed Bed DI Cartridge - Non-Indicating - SuperDI

SpectraPure® Mixed Bed DI Cartridge - Non-Indicating - SuperDI

Overview: SuperDI™ Semiconductor Grade Mixed Bed DI Cartridge - High Capacity 10in Shell, 3in dia x 10in L Features: SpectraPure® Semiconductor Grade Mixed-Bed Resin Cartridges provide ultra-pure deionized water and are t...

$30.99
Drain Saddle Adapter

Drain Saddle Adapter

Allows running RO waste line to drain directly to your drain pipe. Requires drilling a hole in the pipe. (CP Part No. DS14, KM Part No. DSAD, SP Part No. XDS-4T) Fits 1-1/4" to 1 3/4" drain pipes. **Variations of this pro...

$4.99
RO Housing Wrench

RO Housing Wrench

RO Housing wrench for Captive Purity and SpectraPure RO and RO/DI units only. May not be compatible with all RO/DI brands. **Variations of this product can be found in many online stores. The version we carry is of the h...

$3.99
JG Release Tool Spanner

JG Release Tool Spanner

Color: Black John Guest Part# : AC40 Size: for 1/4" or 3/8" tube use How to make a connection: Cut tube square. It is essential that the outside diameter be free of score marks and that burrs and sharp edges be removed befo...

$3.49
SpectraPure® CSPDI RO/DI System w/ Automatic Membrane Flush

SpectraPure® CSPDI RO/DI System w/ Automatic Membrane Flush

Overview: SpectraPure® Low-Waste 90gpd CSPDI 4-Stage RODI System w/ Automatic Membrane Flush. Upgraded for 2014, the new CSPDI incorporates SpectraPure’s individually tested, 99% ultra-high-rejection SpectraSelect™Plus RO memb...

From $345.99
Captive Purity Clear Refillable 10-Inch Cartridge for DI Resin

Captive Purity Clear Refillable 10-Inch Cartridge for DI Resin

Standard 10-Inch refillable cartridge for DI Resin with Twist-Off Cap A great way to save money by using a refillable cartridge. Simply discard the DI resin once exhausted and new resin. Be sure to make sure new resin is tightly...

$7.99
AquaticLife Mixed Bed Resin Reverse Osmosis Cartridge

AquaticLife Mixed Bed Resin Reverse Osmosis Cartridge

Feature(s): Cation and Anion resins (H+ and OH-) remove the remaining total dissolved solids (TDS) from membrane-filtered water. 10" standard cartridge size includes a top gasket for a secure fit. Cartridge housing shape len...

$19.99
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...

$17.99
JG 1/4 inch x 1/8in NPTF Male Elbow - White

JG 1/4 inch x 1/8in NPTF Male Elbow - White

Color: White John Guest Part# : CI489821W Tube O.D.: 1/4" Thread NPTF: 1/8" How to make a connection Cut tube square It is essential that the outside diameter be free of score marks and that burrs and sharp edges be removed...

$2.99
51 - 75 of 171
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