Log In Log In  |  Checkout   |  101 item(s)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x bulk818, DI resin refill bags Di-Ionization media
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x bulk213, Inline Carbon Filter
1 x bulkc10, Koolermax Carbon Block Filter
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x bulkic21, Koolermax Inline Carbon Filter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x bulk201, Sediment Filter
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x bulk205, Carbon Block Filter
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x 205, 5th stage final carbon filter
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x *Discontinued* RO155C
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT

View Cart$5,791.94
Specials Log InCreate Account Checkout  Shopping Cart101 item(s)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x bulk818, DI resin refill bags Di-Ionization media
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x bulk213, Inline Carbon Filter
1 x bulkc10, Koolermax Carbon Block Filter
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x bulkic21, Koolermax Inline Carbon Filter
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x bulk201, Sediment Filter
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x bulk205, Carbon Block Filter
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x 205, 5th stage final carbon filter
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x *Discontinued* RO155C
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT

View Cart$5,791.94

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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