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1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x *Discontinued* RO155C
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x bulk213, Inline Carbon Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x bulk818, DI resin refill bags Di-Ionization media
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x bulkc10, Koolermax Carbon Block Filter
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x bulksf05, Koolermax Sediment Filter
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x *Discontinued* RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 720, Feed Water Adapter with Needle Valve
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 723, Feed Water Adapter with Ball Valve
3 x 706, Membrane Filter Casing Housing Assembly
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 752, DC Booster Pump w/ Transformer
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat

View Cart$10,417.65
Specials Log InCreate Account Checkout  Shopping Cart141 item(s)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x bulk205, Carbon Block Filter
1 x *Discontinued* RO155C
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x bulk213, Inline Carbon Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x bulk818, DI resin refill bags Di-Ionization media
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x bulkc10, Koolermax Carbon Block Filter
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
6 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x bulkic21, Koolermax Inline Carbon Filter
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x bulksf05, Koolermax Sediment Filter
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
2 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x BBK10, Replacement Filter Big Blue Whole House WH-1134
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x *Discontinued* RO155
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 720, Feed Water Adapter with Needle Valve
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 723, Feed Water Adapter with Ball Valve
3 x 706, Membrane Filter Casing Housing Assembly
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 752, DC Booster Pump w/ Transformer
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat

View Cart$10,417.65

AEU, Elbow Union Connector OD Quick Connect QC Fitting [AEU]

$3.00

AEU, Elbow Union Connector OD Quick Connect QC Fitting



* AEU, Elbow Union Connector TUBE OD w/ QC Quick Connect Fitting

* 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 AEU0404
* 3/8" Tube OD x 1/4" Tube OD AEU0604
* 3/8" Tube OD x 3/8" Tube OD AEU0606
* 1/2" Tube OD x 1/4" Tube OD AEU0704
* 1/2" Tube OD x 3/8" Tube OD AEU0706
* 1/2" Tube OD x 1/2" Tube OD AEU0707


* 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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