Log In Log In  |  Checkout   |  112 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
3 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
4 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x *Discontinued* RD102
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
4 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x FRQ420, Flow Restrictor 420ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x FRQ300, Flow Restrictor 300ML / min
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x 752, DC Booster Pump w/ Transformer
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1

View Cart$4,915.00
Specials Log InCreate Account Checkout  Shopping Cart112 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
3 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
4 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x *Discontinued* RD102
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
4 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 214, Clear Inline Filter Cartridge Empty Case
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x FRQ420, Flow Restrictor 420ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x FRQ300, Flow Restrictor 300ML / min
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x 752, DC Booster Pump w/ Transformer
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1

View Cart$4,915.00

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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