Log In Log In  |  Checkout   |  111 item(s)
1 x bulk201, Sediment Filter
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
3 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x UU Clips Pair from Bracket to Membrane Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x *Discontinued* RO585NTF
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 752, DC Booster Pump w/ Transformer
2 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x *Discontinued* RD150
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x *Discontinued* RO585ERP
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x *Discontinued* RO155
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 706, Membrane Filter Casing Housing Assembly
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 565, Digital Pressure Gauge Tester Monitor
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER

View Cart$6,793.68
Specials Log InCreate Account Checkout  Shopping Cart111 item(s)
1 x bulk201, Sediment Filter
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
3 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x UU Clips Pair from Bracket to Membrane Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x *Discontinued* RO585NTF
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 752, DC Booster Pump w/ Transformer
2 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x *Discontinued* RD150
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x *Discontinued* RO585ERP
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x *Discontinued* RO155
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 706, Membrane Filter Casing Housing Assembly
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 565, Digital Pressure Gauge Tester Monitor
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER

View Cart$6,793.68

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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