Reverse Osmosis System Filters, RO Membranes and Parts

Aquariums Water Filters ®

Aquarium Water Treatment Accessories
  1. Pentek BBF1-20MB Deionization Replacement Water Filter Cartridge # 155281
    Pentek BBF1-20MB Deionization Replacement Water Filter Cartridge # 155281
    Pentek BBF1-20MB Deionization Replacement Water Cartridge Filter # 155281 Compatible With Ametek / US Filter / Plymouth / Culligan / Kleen Plus / American Plumber / Bruner / Many Other Brands. FDA D.I. Resin. 20" long X 4 1/2" diameter. 6 per case, sold individually. Ametek # 155281 Order a case and save even more. Learn More
    $149.99 Special Price $119.99 As low as $99.99
  2. Pentek PCF1-10MB # 155273 PCF110MB DI Deionization Replacement Water Filter Cartridge
    Pentek PCF1-10MB # 155273 PCF110MB DI Deionization Replacement Water Filter Cartridge
    Pentek PCF1-10MB # 155273 PCF110MB DI Deionization Replacement Water Filter Cartridge Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands Deionization Water Filter. FDA D.I. Resin. 9 3/4" long X 2 7/8" diameter. 6 per case, sold individually. Ametek # 155273 PCF Series cartridges have been developed in response to the requirements for deionized water in many industries. They are manufactured using an FDA compliant resin that has been subjected to additional post production steps to minimize the total organic carbon (TOC) level. This high capacity, semi-conductor-grade resin cartridges are ideal for use in pharmaceutical and medical laboratories, cosmetics and circuit board printing applications requiring zero TDS water (total dissolved solids). Order a case and save even more. Learn More
    $38.99 Special Price $29.99 As low as $24.99
  3. Pentek PCF1-20MB # 155274 PCF1 20MB DI Deionization Replacement Water Filter Cartridge
    Pentek PCF1-20MB # 155274 PCF1 20MB DI Deionization Replacement Water Filter Cartridge
    Pentek PCF1-20MB # 155274 PCF1 20MB DI Deionization Replacement Water Filter Cartridge Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands Deionization Water Filter. FDA D.I. Resin. 20" long X 2 7/8" diameter. 6 per case, sold individually. Ametek # 155274 PCF Series cartridges have been developed in response to the requirements for deionized water in many industries. They are manufactured using an FDA compliant resin that has been subjected to additional post-production steps to minimize the total organic carbon (TOC) level. This high capacity, semi-conductor grade resin cartridges are ideal for use in pharmaceutical and medical laboratories, cosmetics and circuit board printing applications requiring zero TDS water (total dissolved solids). Order a case and save even more. Learn More
    $63.99 Special Price $49.99 As low as $42.99
  4. HM Digital PH-200 Waterproof Ph Water Testing Meter With Temperature
    HM Digital PH-200 Waterproof Ph Water Testing Meter With Temperature
    Incredibly accurate! A pH tester that is perfect for both consumer or commercial use. Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more. Measures pH and Temperature. Auto-ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up. Waterproof housing. Simultaneous temperature display. Measurement Range: 0-14 pH. Digital Calibration (push button). Auto-off function, data-hold function and low-battery indicator. Display: large and easy-to-read LCD screen includes simultaneous temperature reading. Factory Calibrated: The PH-200 meter is three-point factory calibrated to 4, 7, and 10 pH. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver. Includes a cap, batteries, and lanyard. pH Range: 0 - 14 Temperature Range: 0-80 °C; 32-176 °F Resolution: 0.01 pH; Temperature resolution is 0.1 °C/F Accuracy: +/- .02% Calibration: Digital calibration by push button. Electrode: Replaceable glass sensor and reference tube electrodes Housing: Waterproof (submersible; floats) Power source: 3 x 1.5V button cell batteries (included) Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches) Weight without case: 96.4 g (3.4 oz) Learn More
    $119.99 Special Price $84.99 As low as $69.99
  5. Gallonage Meter - 100 - 1,800 Adjustable Gallon Auto Shut Off Valve
    Gallonage Meter - 100 - 1,800 Adjustable Gallon Auto Shut Off Valve
    Gallonage Meter - 100 - 1,800 Gallon Auto Shut Off - Variable setting up to 1,800 gallons. Once the setting is reached the valve closes and won't allow more water to flow. Great way to let you know when your filters have reached their maximum life and they are due to be changed. Comes with 1/4" Jaco Tube connectors. #WM-2000-W Easy installation and use. Learn More
    $34.99 Special Price $23.99 As low as $19.99
  6. Float Valve- For Water Tank Level- 2000
    Float Valve For Water Tank Level
    Float Valve - Nickel Plated. Choose either Vertical or Horizontal mount. 1/4" tube compression connector. Excellent for aquarium owners or orchid growers. If you use a static atmospheric tank to collect your RO water and want a way to automatically turn off the RO system when the tank is full, this float valve is for you. When the valve closes it will trigger the auto shut off valve ASO in RO systems and turn it off. The float measures approximately 3" long x 1 3/8" diameter. Easy to install and use. Learn More
    $39.99 Special Price $24.99 As low as $19.99
  7. Garden Hose Adaptor- To Connect Water Filtration System- 1000
    Garden Hose Adaptor To Connect Water Filtration System
    Garden Hose Adaptor #NC2098 To Connect Water Filtration System - Connects standard garden hose faucet to a 1/4" John Guest ® Quick Connector. Makes it simple to connect a 1/4" tube to a garden hose faucet. Especially useful for aquraium and plant maintenance. Learn More
    $12.99 Special Price $8.99 As low as $6.99
  8. TDS Meter - Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester - TDS Meter
    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 Learn More
    $49.99 Special Price $37.99 As low as $17.99
  9. TDS Meter Inline Water Tester DM1 - HM Digital Dual Mode Reading
    TDS Meter Inline Water Tester DM1 - HM Digital Dual Mode Reading - Easily Installs Inline - Very Simple To Use
    TDS Water Meter - HM Digital DM1 - 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. 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. Always know if your RO membrane is performing correctly! Learn More
    $49.99 Special Price $39.99 As low as $19.99
  10. Molykote-From DOw Corning- 111 Compound-6 Gram O-ring Silicone Lubricant & Sealant-Dow-111-5-gram-1000
    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? Learn More
    $5.99 Special Price $3.99 As low as $1.79
  11. Pro Products Sani System Water Filtration System Sanitizer
    Pro Products Sani System Water Filtration System Sanitizer
    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. Alos NSF certified. 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. Pro Products Sani System Sanitizer. 0.25 fl. oz. concentrate is perfect for your RO reverse osmosis drinking water system sanitizing.. Learn More
    $7.99 Special Price $4.99 As low as $2.49
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.