Log In Log In  |  Checkout   |  143 item(s)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x bulkc10, Koolermax Carbon Block Filter
1 x *Discontinued* RD102
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x bulkic21, Koolermax Inline Carbon Filter
3 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x bulk201, Sediment Filter
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x bulk213, Inline Carbon Filter
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x bulk205, Carbon Block Filter
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x *Discontinued* RD150
4 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
4 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x bulk818, DI resin refill bags Di-Ionization media
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 741-14, Diverter Valve for Countertop Water Units
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 752, DC Booster Pump w/ Transformer
1 x FRQ300, Flow Restrictor 300ML / min
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 214, Clear Inline Filter Cartridge Empty Case

View Cart$9,228.06
Specials Log InCreate Account Checkout  Shopping Cart143 item(s)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x bulkc10, Koolermax Carbon Block Filter
1 x *Discontinued* RD102
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x bulkic21, Koolermax Inline Carbon Filter
3 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 205, 2nd stage carbon block filter (replace every 12 months)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x bulk201, Sediment Filter
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x bulk213, Inline Carbon Filter
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x bulk205, Carbon Block Filter
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x *Discontinued* RD150
4 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
4 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x bulk818, DI resin refill bags Di-Ionization media
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
2 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 741-14, Diverter Valve for Countertop Water Units
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 752, DC Booster Pump w/ Transformer
1 x FRQ300, Flow Restrictor 300ML / min
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 214, Clear Inline Filter Cartridge Empty Case

View Cart$9,228.06

AHUC, Inline Ball Hand Valve Union Connector OD Tubing [AHUC]

$5.00

AHUC, Inline Ball Hand Valve Union Connector OD Tubing



* AHUC, Inline Ball Valve or Hand Valve Union Connector

* Position "Close" to force the water to flow to long reach faucet directly

* Position "Open" to allow the water flow in/out the water tank

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter (Pipe sizes can be confusing even for the experienced user. Pipe size is not the actual outside or inside diameter of the pipe but is the industry accepted designation. If you have any question please email us first.)
* 1/4" Tube OD x 1/4" Tube OD AHUC0404
* 3/8" Tube OD x 3/8" Tube OD AHUC0606
* 1/2" Tube OD x 1/2" Tube OD AHUC0707


* Water & foods use: Products are manufactured from safe, non-toxic materials meeting the requirements of the US FDA, ERAS, ANSI/NSF-51,61, and SK Zert. Our products are widely used in water purification, food/beverage, and pneumatic systems.

* Function & Quality: Provides quick and convenient assembly-saving time & expense.

* Collet Design: Our unique oval collet design is superior and more practical, and is an improvement welcomed by our world wide customers in all industries.

* Additional Applications: Beyond water and food use, fittings can be used with air, gases, vacuum, & liquids. All connections can be assembled & disassembled repeatedly. A broad range of sizes covers a broad scope of applications.

* We carry different fittings in variation of sizes: 1/4", 3/8", or 1/2" adapters, connectors, fittings, or valves.  Most are not listed online, to avoid confusion to majority of RO system customers.  

* Send us a message with specification, intended application, and image of your setup or old fitting  to check if we have what you need. 

Available Options:

Size Combination:

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