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2 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 741-14, Diverter Valve for Countertop Water Units
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 205, 5th stage final carbon filter
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 752, DC Booster Pump w/ Transformer
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x WS-150M, Whole House Water Softener
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting

View Cart$5,825.44
Specials Log InCreate Account Checkout  Shopping Cart91 item(s)
2 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 741-14, Diverter Valve for Countertop Water Units
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 205, 5th stage final carbon filter
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 752, DC Booster Pump w/ Transformer
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x WS-150M, Whole House Water Softener
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting

View Cart$5,825.44

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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