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1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x *Discontinued* RO585
1 x *Discontinued* RO585NTF
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x *Discontinued* RO585ERP
1 x *Discontinued* RD106
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x HK120-P-TK for USA 110V / 60Hz
1 x *Discontinued* RO585A
1 x KT-103, Optional Manual Membrane Flush Valve
3 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x *Discontinued* RO155
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x *Discontinued* RO6ALK
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x *Discontinued* RO155C
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x FRQ420, Flow Restrictor 420ML / min
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
View Cart$7,269.99
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1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x *Discontinued* RO585
1 x *Discontinued* RO585NTF
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x *Discontinued* RO585ERP
1 x *Discontinued* RD106
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x HK120-P-TK for USA 110V / 60Hz
1 x *Discontinued* RO585A
1 x KT-103, Optional Manual Membrane Flush Valve
3 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x *Discontinued* RO155
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x *Discontinued* RO6ALK
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x *Discontinued* RO155C
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x FRQ420, Flow Restrictor 420ML / min
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
View Cart$7,269.99

4042-K Male Elbow Fitting Compression type(membrane housing use) [4042-K]

$2.50

4042-K Male Elbow Fitting Compression type(membrane housing use)



* 4042-K Male Elbow Compression type 1/4" OD TUBING, 1/8" MPT PIPE THREAD

* This fitting is used in Membrane filter housing only.

 



 



* 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. 

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