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1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 741-14, Diverter Valve for Countertop Water Units
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 205, 5th stage final carbon filter
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)

View Cart$3,879.95
Specials Log InCreate Account Checkout  Shopping Cart32 item(s)
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 741-14, Diverter Valve for Countertop Water Units
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 205, 5th stage final carbon filter
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)

View Cart$3,879.95

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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