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Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filtration repair parts.  From one water filter or reverse osmosis membrane to case quantity discounts.
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water filters reverse osmosis membranes


Puro Twist ® Reverse Osmosis System, Omnipure ® Q Series & RO/Conn ® Replacement Water Filters And Reverse Osmosis RO Membranes

If you have the Omnipure Q-5605-60, Q-5633-60 or the Q-5640-60 you have a different thread pattern than the ones with the standard thread pattern listed below.  This is designated by the "-60" at the end of the model number.  For more on the Omnipure "-60" see ® Rayne Q-5605-60, Q-5633-60 or the Q-5640-60

Puro Twist 3 Stage Reverse Osmosis RO System
PuRO Twist PT-3000System
Q5605 Pre Filter
Membrane (Match Your GPD)
Q-5633 Post Filter
For PuroTwist, Omnipure & R0/Conn ®

Puro Twist 4 Stage Reverse Osmosis RO System
PuRO Twist PT-4000 System
Q5605 Pre Filter
Q-5633 Pre Carbon Filter
Membrane (Match Your GPD)
Q5633 Post Filter
For PuroTwist, Omnipure & R0/Conn ®
Puro Twist Replacement Water Filters And Reverse Osmosis RO Membranes


Omnipure ® Q5605 5 Micron Sediment Water Prefilter


Price Each: $16.99

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Omnipure ® Q5605 5 Micron Sediment Water Prefilter "Q" Style Self Contained - "Q" Series Quick Connect.

Puro Twist Replacement Water Filters And Reverse Osmosis RO Membranes


Omnipure ® Q5633 Carbon Pre/Post Water Filter


Price Each: $18.99

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Omnipure ® Q5633 GAC Carbon Pre/Post Water Filter- "Q" Series Quick Connect. Granular Activated Carbon - T33

Omnipure Q5640 T40 Coconut GAC Water Filter


Omnipure Q5640 T40 Coconut GAC Water Filter

Price Each: $20.99

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Omnipure Q5640 T40 Coconut GAC Water Filter - 12" x 2.5".

Puro Twist Replacement Water Filters And Reverse Osmosis RO Membranes


Omnipure ® Q5621 Carbon Pre/Post Water Filter


Price Each: $25.99

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Omnipure ® Q5621 Carbon Block Pre/Post Water Filter. 10 Micron. Upgrade To Carbon Block From Standard GAC Carbon. No "Carbon Fines" Released.

Omnipure ® Q5615 Carbon Block Pre/Post Water Filter. 1 Micron Upgrade To Carbon Block From Standard GAC Carbon. No "Carbon Fines" Released.


Omnipure ® Q5615 carbon 1 micron pre/post water filter


Price Each: $29.99

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Omnipure ® Q5615 Carbon Block Pre/Post Water Filter. 1 Micron with lead removal. Upgrade To Carbon Block From Standard GAC Carbon. No "Carbon Fines" Released.

Puro Twist Replacement Water Filters And Reverse Osmosis RO Membranes


Omnipure ® Q5686 Carbon Phosphate Water Filter


Price Each: $22.99

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Omnipure ® Q5686 Carbon With Phosphate Water Filter- "Q" Series Quick Connect. GAC Granular Activated Carbon.

Puro Twist Replacement Water Filters And Reverse Osmosis RO Membranes


Omnipure ® CQ56-18FC RO CTA Membrane With Flow Control


Price Each: $69.99

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Omnipure ® 18 GPD "Q" Series CTA Reverse Osmsois RO Membrane With Built-In Flow Control.

Puro Twist Replacement Water Filters And Reverse Osmosis RO Membranes


Omnipure ® TQ56-15FC 15 GPD TFC RO Membrane With Built-In Flow Control


Price Each: $69.99

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Omnipure ® TQ56-15FC Reverse Osmosis RO Membrane - 15 GPD TFC "Q" Series Membrane With Built-In Flow Control.

Puro Twist Replacement Water Filters And Reverse Osmosis RO Membranes


Omnipure ® TQ56-36FC 36 GPD TFC RO Membrane With Built-In Flow Control


Price Each: $84.99

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Omnipure ® TQ56-36FC Reverse Osmosis RO Membrane - 36 GPD TFC "Q" Series Membrane With Built-In Flow Control.

Puro Twist Replacement Water Filters And Reverse Osmosis RO Membranes


Omnipure ® TQ56-50FC 50 GPD TFC RO Membrane With Built-In Flow Control


Price Each: $89.99

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Omnipure ® TQ56-50FC RO Membrane. 50 GPD TFC With Built-In Flow Control.

Omnipure Water Filter Head Replacement #NVH1/4
 

Price Each: $24.99
Sale Price: $11.99
Savings: $13.00

Mounting Bracket


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Omnipure Water Filter Head Replacement #NVH1/4

Omnipure Water Filter Head Replacement. Non Valve Head. 1/4" FNPT ports for easy installation of fittings. #NVH1/4 Add Bracket #Q-BRACKET for best installation.


Parts Department Featured Items For Water Filtration And Reverse Osmosis RO Systems
 
TDS Meter - Tester To Test For Total Disolved Solids In Water


How Pure Is Your Water?    Find Out!

Price Each: $37.99

Calibration Solution

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TDS Meter - Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester - TDS Meter

TDS Meter - Tester. The Only Way To Know If Your Reverse Osmosis RO Membrane Is Performing Correctly - Tests for TDS - Total Dissolved Solids. A Must For All RO System Owners. Compare Incoming Feed Water To Treated Water - Replace Membrane If Less Than 80% of TDS Is Being Removed - Total dissolved solids (TDS) are the total weight of all solids (minerals, salts or metals) that are dissolved in a given volume of water expressed in milligrams per liter (mg/L), or in parts per million (PPM). The lower the TDS level in the water, the more efficiently your body's cells actually get hydrated by the water that you drink. The higher the TDS levels in the water, the greater the probability of harmful contaminants that can pose health risks or hinder the absorption of water molecules on the cellular level. 17 PPM of TDS = 1 grain of hardness. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Measurement Range: 0-9990ppm. From 0-999ppm, the resolution is in increments of 1ppm. From 1,000 to 9,990ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. Display: large and easy-to-read LCD screen. Factory Calibrated: recalibration is not necessary, but can be done easily with a watch screwdriver. There's no need for messy solutions to initially calibrate the meter. Range: 0 - 9990ppm (mg/L) Accuracy: +/- 2% ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit) Power source: 2 x 1.5V button cell batteries (included) Battery life: over 1,000 hours of continuous use Dimensions: 14 x 2.3 x 1.5cm (5.5 x .9 x .55 inches) Weight: 32g (1.13 oz) Simple to use for Reverse Osmosis membrane monitoring. Measure the incoming water and the RO water. Divide the larger number into the smaller number and subtract that decimal from 1. The resulting decimal is the percent of TDS that the membrane is removing. We really like this tester and think that anyone who wants to know about the quality of their water should have one of these TDS Meter Testers.

Learn more about using TDS meters and total dissolved solids

TDS Meter - Easily Installs Inline
 

Price Each: $49.99
Sale Price: $39.99
Savings: $10.00

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TDS Meter Inline Tester- Dual Mode Reading - Easily Installs Inline - Very Simple To Use

TDS Meter - Dual Mode - Installs Inline - Check the TDS level with the push of a button. Now you can easily check to make sure the water from your reverse osmosis system is top quality. Measure the tap water coming in vs. the purified water going out of your system at any time. Very easy installation. Simply cut the line out from the RO membrane housing and install the inline probe between the membrane housing and the shutoff valve, when possible. The closer to the membrane housing the better. Insert the ends of the tube into the John Guest quick connectors on the TDS meter probe. Then cut the inlet feed water line to the system and install the other T/probe. FEATURES Displays TDS levels of the feed water and product water with in & out electrode probes. Highly efficient and accurate due to its advanced microprocessor technology. Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use. Dual Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.) Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Comes equipped with John Guest Quick-Connect T-fittings as shown. Installs quickly and easily. SPECIFICATIONS Range: 0-9990 ppm Accuracy: ±2% Cable Length: 24.5" (including sensor) Power source: 2 x 1.5V button cell batteries (included) Battery life: over 1000 hours of continuous use Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) Weight: 79.4 g (2.8 oz.) Always know if your RO membrane is performing correctly!

Learn more about using TDS meters and total dissolved solids

Professional Grade Electronic Air Pressure Gauge GGN-APG-202
 

Price Each: $43.99
Sale Price: $27.99
Savings: $16.00


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Professional Grade Electronic Air Pressure Gauge GGN-APG-202

Professional Grade Electronic Air Pressure Gauge GGN-APG-202. From the moment you pick up this air pressure gauge you will know it is top quality. Machined Aluminum Alloy case and rubberized non-slip grip handle tips with ergonomic design. Easy to read LCD screen with soft blue backlighting. It even includes a built in LED valve stem light so you can clearly see the valve stem to perform readings. And the anti skid slot makes valve stem connection simple. Perfect in every detail. 5-99 PSI Displays your choice of 4 measuring units. PSI, bar, kPa, kg/cm3. +/- 1% high Accuracy. Long life Lithium Ion Batteries. If you enjoy high quality instruments, then this pressure gauge is for you. Use for your tires or for high accuracy readings for RO Reverse Osmosis drinking water system accumulator tanks. If accuracy is important, this is the meter you have been looking for. GoesGreenNetwork UPC#850901003149

Dow Corning ® 111 5 gram O-ring Silicone Lubricant and Sealant


Prevent Leaks!


Price Each: $3.99

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Dow Corning (Molykote) ® 111 6 gram O-ring Silicone Lubricant and Sealant - Be sure to lube your O-rings to help prevent leaks.

Dow Corning/Molykote ® 111 6 gram O-ring Silicone Lubricant and Sealant - 6 gram pillow pack. (like a ketchup packet) Great O-ring sealant and lubricant. FDA and NSF approved. (Do Not Use Petroleum Jelly As It May Break Down O-rings Or Housings) This is the same premium grade silicone sealant and lubricant used in underwater photography cameras, scuba gear and other underwater applications that simply can't afford leaks. Why not use the best for your reverse osmosis or drinking water filtration system?

Dow 111 Silicone MSDS Safety Sheet

Leak Controller for Reverse Osmosis Systems, Refrigerators, Ice Makers and Coffee Machines
 


Price Each: $79.99
Sale Price: $49.99
Savings: $30.00

Extra Sensor with 25 foot wire

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Leak Controller for Reverse Osmosis Systems, Water Coolers, Refrigerators, Ice Makers and Coffee Machines.

Save a flood inside the house. Prevent costly water damage. Automatically shut off the water to leaking Reverse Osmosis Systems, Water Coolers, Refrigerators, Ice Makers and Coffee Machines. Alarm flashes and beeps to notify you to the system shut down. Very simple to install and use. Brilliant design. Simply place the sensor (Similar in size to a small computer mouse) where water will collect below the system. Cut the incoming 1/4" water tube and insert each end into the easy to use John Guest quick connectors on the controller. When the sensor gets wet it shuts off the incoming water at the controller. Reset the sensor by wiping it dry. It even comes with a built in filter change reminder. Set it to beep and flash after 6, 12 or 18 months, when it is time for a filter change or scheduled maintenance. # LCS14 with 4 1/2' cord that connects the sensor. The Leak Controller is a great way to control costly leaks.

Leak Controller Operation Guide
 
Leak Controller Flyer

Pro Products Sani - System Sanitizer
 

Price Each: $7.99
Sale Price: $4.99
Savings: $3.00

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Pro Products Sani System Sanitizer

Pro Products Sani System Sanitizer. 0.25 or 0.5 fl. oz. concentrate. Sani-System ® Pro Products is proud to introduce Sani-System, the first and only EPA product approved for sanitizing water softeners, RO units and Water Coolers. Sani System is proven to kill 99.9% of E. coli, E. coli O157:H7, Staphylococcus aureus, Listeria monocytogenes and other harmful bacteria. It does not use chlorine, other oxidizers or acids that can harm water softener equipment parts. Use is simple; each dose comes in a pre-measured pouch. Just cut, pour and regenerate softener. No measuring, No mess! Sanitizing Equipment! Applications Interior Surfaces of Water Softeners, Reverse Osmosis (RO) Units, Ice Machines, Water Coolers, Water Holding Tanks and Pressure Tanks. Sani-System is now NSF certified! Directions for Use It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. Sanitization of Interior Surfaces of Water Softeners and Reverse Osmosis (RO) Units. Water Softeners Sanitization should occur after initial installation, after the system is serviced and periodically during its use. Backwash the softener and add 1 ounce of sanitizer per 8 gallons of water (200 ppm active quaternary) to the brine tank well. (NOTE: standard systems capacity is 48 gallons,) (The brine tank should have water in it to permit the solution to be carried into the softener.) Proceed with the normal regeneration or interrupt the cycle after the brining step and let the softener soak for a minimum of 60 seconds. Backwash the softener with potable water to make sure all sanitizing solution is thoroughly rinsed from the unit before returning it to service. Reverse Osmosis (RO) Units Sanitization should occur after initial installation, after the system is serviced and periodically during its use. Turn off RO system, drain storage tank and remove membrane element and pre-filters. Put membrane element in a plastic bag so it remains wet. Fill empty pre-filter housing with 1 ounce of sanitizer per 8 gallons of water (200 ppm active sanitizer) and turn on raw water. (NOTE: standard system capacity is 2-3 gallons) After holding tank is full, let system stand idle for a minimum of 60 seconds. Turn off water. Drain holding tank. Before the system is put back into service, flush system with potable water to assure sanitizing solution is rinsed thoroughly form system. Follow the manufacturer’s directions for re-installation of new per-filters, membrane elements and post filter, membrane element and post filter. Sanitation of interior surfaces of Ice Machines, Water Coolers, Water holding tanks and Pressure tanks, Ice Machines Sanitization should occur after initial installation, after the machine is serviced and periodically during its use. Shut off incoming water line to machine. Prepare a solution of 1 oz. of sanitizer per 8 gallons of water (200 ppm active quaternary) Circulate solution through machine making user to wet all surfaces and allow a minimum contact of 60 seconds. Drain and completely flush system twice with portable water. Storage and disposal DO NOT CONTAMINATE WATER, FOOD OR FEED BY STORAGE OR DISPOSAL - Store in a dry place no lower in temperature then 50 degrees F or higher than 120 degrees F. Shipping information Non-hazardous. This is the best sanitizing solution available anywhere! Stock up and save.


Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.

* RO/Conn ® is the registered trademark of RO/Conn, the manufacturer of RO/Conn ® brand water treatment equipment.  The replacement filters and membranes listed above are not manufactured or endorsed by RO/Conn.  Rather, these filters and membranes are manufactured by other companies.  While these filters and membranes are compatible for use in RO/Conn ® brand water treatment equipment, we make no representation as to whether using these filters and membranes is consistent with the warranty and specifications applicable to RO/Conn ® equipment


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Replacement water filters and reverse osmosis membranes