Reverse Osmosis System Filters, RO Membranes and Parts

Pentek Carbon Filters 20" X 2 3/4"

  1. Pentek C1-20BB # 155651 C1-20BB Taste & Odor Replacement Water Filter
    Pentek C1-20BB # 155651 C1-20BB Taste & Odor Replacement Water Filter
    Pentek C1-20BB # 155651 C1-20BB Taste & Odor Replacement Water Filter. Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner / Many Other Brands C1-20BB Taste & Odor Water Filter. C1-20BB Carbon-Impregnated Cellulose 5 Micron Taste & Odor Water Filter. 20" long X 4 1/2" diameter. 6 per case, sold individually. Ametek # 155651 C Series cartridges offer an economical solution for all your general-purpose water filtration needs. Constructed of a carbon impregnated cellulose media, these dual-purpose cartridges filter out fine sediment particles and reduce unwanted taste, odor and chlorine from your tap water. A polyester reinforcement backing and external netting provide additional strength and dirt-loading capacity. These dual-purpose cartridges are well suited for a wide range of residential applications, and make excellent polishing filters when used in process or closed-loop streams. Order a case and save even more.
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    $47.99 Special Price $37.99 As low as $32.99
  2. Pentek NCP-20BB # 155382 NCP20BB Big Blue GAC Carbon Taste & Odor Water Filter Cartridge
    Pentek NCP-20BB # 155382 NCP20BB Big Blue GAC Carbon Taste & Odor Water Filter Cartridge

    Pentek NCP-20BB # 155382 NCP20BB Big Blue GAC Carbon Taste & Odor Water Filter Cartridge Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands Big Blue 10 Micron Pleated Carbon Impregnated Polyester Water Filter. 20" long X 4 1/2" diameter. 6 per case, sold individually. Ametek # 155382 NCP Series cartridges are constructed from a carbon impregnated non-cellulose media. Order a case and save even more.

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    $49.99 Special Price $39.99 As low as $34.99
  3. Pentek GAC-20 # 155111 GAC20 GAC Carbon Replacement Water Filter Cartridge
    Pentek GAC-20 # 155111 GAC20 GAC Carbon Replacement Water Filter Cartridge
    Pentek GAC-20 # 155111 GAC20 GAC Carbon Replacement Water Filter Cartridge Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Granular Activated Carbon Water Filter. 20" long X 2 7/8" diameter. 6 per case, sold individually. Ametek # 155111 GAC Series cartridges effectively reduce unwanted tastes, odors and chlorine from your drinking water. They are designed to allow maximum contact between the water and carbon, ensuring maximum adsorption. The construction of the cartridge allows water to enter at one end and pass through the entire length of the cartridge, while an internal expansion pad minimizes channeling or bypass. Before the water exits the cartridge, a 20 micron post filter helps remove carbon fines and other suspended particles from the filtered water. Order a case and save even more.
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    $27.99 Special Price $19.99 As low as $15.99
  4. PENTEK- CC-20 #155138 - GAC Carbon Replacement Water Filter - 1000
    Pentek CC-20 # 155138 GAC Carbon Replacement Water Filter CC20
    Pentek CC-20 # 155138 GAC Carbon Replacement Water Filter CC20 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Granular Activated Carbon Water Filter. 20" long X 2 7/8" diameter. 6 per case, sold individually. Ametek # 155138 CC Series granular activated carbon cartridges are an excellent choice to reduce unwanted taste, odor, chlorine and certain VOC's from potable drinking water. They contain coconut shell based activated carbon, which produces drinking water of exceptional taste and quality.
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    $28.99 Special Price $21.99 As low as $15.99
  5. Pentek RFC-20 # 155065 RFC20 Radial Flow GAC Carbon Whole House Replacement Water Filter Cartridge
    Pentek RFC-20 # 155065 RFC20 Radial Flow GAC Carbon Whole House Replacement Water Filter Cartridge

    Pentek RFC-20 # 155065 RFC20 Radial Flow GAC Carbon Whole House Replacement Water Filter Cartridge Compatible With Culligan, Ametek, US Filter, Plymouth, Kleen Plus, American Plumber, Bruner and Many Other Brands. Radial Flow Granular Activated Carbon Water Filter. 25 micron outer shell. 20" long X 2 7/8" diameter. 6 per case, sold individually. Ametek # 155065. RFC Series cartridges are constructed with a porous polypropylene outer shell and durable polypropylene end caps. 70 micron outer shell. Sandwiched between the outer shell and the core is a bed of granular activated carbon.  Order a case and save even more.

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    $39.99 Special Price $31.99 As low as $27.99
  6. Pentek EPM-20 # 155635 EPM20 Carbon Block Replacement Water Filter Cartridge
    Pentek EPM-20 # 155635 EPM20 Carbon Block Replacement Water Filter Cartridge
    Pentek EPM-20 # 155635 EPM20 Carbon Block Replacement Water Filter Cartridge Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. 10 Micron Carbon Block Water Filter. 20" long X 2 1/2" diameter. 6 per case, sold individually. Ametek # 155635 EPM Series cartridges are a modified version of our "EP Series" cartridge. An economical price makes this cartridge suitable for taste, odor and chlorine reduction, as well as sediment filtration. EPM Series cartridges are manufactured using a patented process that yields a cartridge with a nominal 10 micron filtration rating, high porosity and greater chlorine removal capacity. The high porosity design helps prevent the cartridge from plugging before its adsorption capability is exhausted, maximizing the utilization of the carbon while maintaining low pressure drop. Order a case of 12 and save even more.
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    $24.99 Special Price $17.99 As low as $12.99
  7. Pentek EP-20 # 155529 EP20 Carbon Block Replacement Water Filter Cartridge
    Pentek EP-20 # 155529 EP20 Carbon Block Replacement Water Filter Cartridge
    Pentek EP-20 # 155529 EP20 Carbon Block Replacement Water Filter Cartridge Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. 5 Micron Carbon Block Water Filter. 20" long X 2 1/2" diameter. 6 per case, sold individually. Ametek # 155529 EP Series cartridges are versatile and combine the long life of carbon block filtration with the higher dirt-loading tolerance of wound, carbon-impregnated paper cartridges like our C-1. EP Series cartridges are manufactured using a patented process that yields a cartridge with a nominal 5 micron filtration rating, high porosity and greater chlorine removal capacity. The high porosity design helps prevent the cartridge from plugging before its adsorption capability is exhausted, maximizing the utilization of the carbon while maintaining low pressure drop. Order a case and save even more.
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    $28.99 Special Price $19.99 As low as $15.99
  8. Pentek CBC-20 Carbon Block Replacement Water Filter # 155309 CBC20
    Pentek CBC-20 Carbon Block Replacement Water Filter # 155309 CBC20
    Pentek CBC-20 Carbon Block Replacement Water Filter # 155309 CBC20 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner / Many Other Brands. Carbon Block Half Micron Water Filter. 20" long X 2 7/8" diameter. 6 per case, sold individually. Ametek # 155309 CBC Series cartridges are highly effective at reducing unwanted taste, odor, chlorine, certain VOC's and pesticides from potable drinking water. With a nominal 0.5 micron rating, they are equally effective at reducing Cryptosporidium and Giardia cysts, as well as fine sediment. They also make excellent polishing filters or pre-filters in applications requiring fine filtration and high capacity. Excellent prefilter. Order a case and save even more.
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    $38.99 Special Price $29.99 As low as $23.99
  9. 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
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    $49.99 Special Price $37.99 As low as $17.99
  10. 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!
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    $49.99 Special Price $39.99 As low as $19.99
  11. 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?
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    $5.99 Special Price $3.99 As low as $1.79
  12. 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..
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    $7.99 Special Price $4.99 As low as $2.49