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2 x 719, Drain Saddle Clamp / Valve
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x *Discontinued* RO155C
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 752, DC Booster Pump w/ Transformer
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 214, Clear Inline Filter Cartridge Empty Case
3 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
4 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
5 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x 741-14, Diverter Valve for Countertop Water Units
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 706, Membrane Filter Casing Housing Assembly
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 565, Digital Pressure Gauge Tester Monitor
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RD150
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"

View Cart$6,180.53
Specials Log InCreate Account Checkout  Shopping Cart140 item(s)
2 x 719, Drain Saddle Clamp / Valve
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x *Discontinued* RO155C
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 752, DC Booster Pump w/ Transformer
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 214, Clear Inline Filter Cartridge Empty Case
3 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
4 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
5 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
4 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x 741-14, Diverter Valve for Countertop Water Units
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 706, Membrane Filter Casing Housing Assembly
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x 565, Digital Pressure Gauge Tester Monitor
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RD150
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"

View Cart$6,180.53

ATEU, Tube Elbow Union Connector Fitting Tube OD Stem OD [ATEU]

$3.00

ATEU, Tube Elbow Union Connector Fitting Tube OD Stem OD



* ATEU, Tube Elbow Union Fitting Tube OD - Stem OD

* Please choose size from the selection box below. First number is tubing OD and second number is Stem 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" Stem OD ATEU0404
* 1/4" Tube OD x 3/8" Stem OD ATEU0406
* 3/8" Tube OD x 3/8" Stem OD ATEU0606
* 3/8" Tube OD x 1/2" Stem OD ATEU0607
* 1/2" Tube OD x 1/2" Stem OD ATEU0707


* 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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