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Foster

Foster quick couplers set the standard in pneumatic and hydraulic connections. Part of the ZSI-Foster line, Foster couplers and plugs cover the full range of industrial interchanges and body sizes in steel, brass, and stainless construction. Built for reliable, repeatable connections in air and fluid systems. Shop the full Foster range below.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 222.00
$ 222.00 - $ 222.00
$ 222.00
$ 178.00
$ 178.00 - $ 178.00
$ 178.00

Foster 2202H, 1/8" 2 Series Coupler x 1/8" Male NPT, Heavy-Duty Brass, Steel (Heat)

Dependable, leak-free connections for air and light fluid lines. The Foster 2202H is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster ...

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$ 222.00
$ 222.00 - $ 222.00
$ 222.00
$ 178.00
$ 178.00 - $ 178.00
$ 178.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 667.00
$ 667.00 - $ 667.00
$ 667.00
$ 533.00
$ 533.00 - $ 533.00
$ 533.00

Foster BL2202S/S, 1/8" 2 Series Coupler x 1/8" Male NPT, 303 Stainless (Ball Lock)

Dependable, leak-free connections for air and light fluid lines. The Foster BL2202S/S is a 303 Stainless 1/8" coupler from the proven Foster 2 Seri...

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$ 667.00
$ 667.00 - $ 667.00
$ 667.00
$ 533.00
$ 533.00 - $ 533.00
$ 533.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 665.00
$ 665.00 - $ 665.00
$ 665.00
$ 533.00
$ 533.00 - $ 533.00
$ 533.00

Foster 2202S/S, 1/8" 2 Series Coupler x 1/8" Male NPT, 303 Stainless

Dependable, leak-free connections for air and light fluid lines. The Foster 2202S/S is a 303 Stainless 1/8" coupler from the proven Foster 2 Series...

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$ 665.00
$ 665.00 - $ 665.00
$ 665.00
$ 533.00
$ 533.00 - $ 533.00
$ 533.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 194.00
$ 194.00 - $ 194.00
$ 194.00

Foster BL2202, 1/8" 2 Series Coupler x 1/8" Male NPT, Heavy-Duty Brass, Steel (Ball Lock)

Dependable, leak-free connections for air and light fluid lines. The Foster BL2202 is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster...

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$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 194.00
$ 194.00 - $ 194.00
$ 194.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 185.00
$ 185.00 - $ 185.00
$ 185.00
$ 148.00
$ 148.00 - $ 148.00
$ 148.00

Foster 2202, 1/8" 2 Series Coupler x 1/8" Male NPT, Heavy-Duty Brass, Steel

Dependable, leak-free connections for air and light fluid lines. The Foster 2202 is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster 2...

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$ 185.00
$ 185.00 - $ 185.00
$ 185.00
$ 148.00
$ 148.00 - $ 148.00
$ 148.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 252.00
$ 252.00 - $ 252.00
$ 252.00
$ 201.00
$ 201.00 - $ 201.00
$ 201.00

Foster 2702HW, 1/8" 2 Series Coupler x 1/4" Female NPT, Heavy-Duty Brass, Stainless (Hot Water)

Dependable, leak-free connections for air and light fluid lines. The Foster 2702HW is a Heavy-Duty Brass, Stainless 1/8" coupler from the proven Fo...

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$ 252.00
$ 252.00 - $ 252.00
$ 252.00
$ 201.00
$ 201.00 - $ 201.00
$ 201.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 239.00
$ 239.00 - $ 239.00
$ 239.00
$ 192.00
$ 192.00 - $ 192.00
$ 192.00

Foster 2702H, 1/8" 2 Series Coupler x 1/4" Female NPT, Heavy-Duty Brass, Steel (Heat)

Dependable, leak-free connections for air and light fluid lines. The Foster 2702H is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster ...

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$ 239.00
$ 239.00 - $ 239.00
$ 239.00
$ 192.00
$ 192.00 - $ 192.00
$ 192.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 273.00
$ 273.00 - $ 273.00
$ 273.00
$ 218.00
$ 218.00 - $ 218.00
$ 218.00

Foster BL2702, 1/8" 2 Series Coupler x 1/4" Female NPT, Heavy-Duty Brass, Steel (Ball Lock)

Dependable, leak-free connections for air and light fluid lines. The Foster BL2702 is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster...

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$ 273.00
$ 273.00 - $ 273.00
$ 273.00
$ 218.00
$ 218.00 - $ 218.00
$ 218.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 213.00
$ 213.00 - $ 213.00
$ 213.00
$ 171.00
$ 171.00 - $ 171.00
$ 171.00

Foster 2702, 1/8" 2 Series Coupler x 1/4" Female NPT, Heavy-Duty Brass, Steel

Dependable, leak-free connections for air and light fluid lines. The Foster 2702 is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster 2...

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$ 213.00
$ 213.00 - $ 213.00
$ 213.00
$ 171.00
$ 171.00 - $ 171.00
$ 171.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
$ 187.00
$ 187.00 - $ 187.00
$ 187.00

Foster 2302W, 1/8" 2 Series Coupler x 1/8" Female NPT, Heavy-Duty Brass, Stainless (Water)

Dependable, leak-free connections for air and light fluid lines. The Foster 2302W is a Heavy-Duty Brass, Stainless 1/8" coupler from the proven Fos...

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$ 232.00
$ 232.00 - $ 232.00
$ 232.00
$ 187.00
$ 187.00 - $ 187.00
$ 187.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 624.00
$ 624.00 - $ 624.00
$ 624.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00

Foster 2302S/SH, 1/8" 2 Series Coupler x 1/8" Female NPT, 303 Stainless (Heat)

Dependable, leak-free connections for air and light fluid lines. The Foster 2302S/SH is a 303 Stainless 1/8" coupler from the proven Foster 2 Serie...

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$ 624.00
$ 624.00 - $ 624.00
$ 624.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 667.00
$ 667.00 - $ 667.00
$ 667.00
$ 533.00
$ 533.00 - $ 533.00
$ 533.00

Foster BL2302S/S, 1/8" 2 Series Coupler x 1/8" Female NPT, 303 Stainless (Ball Lock)

Dependable, leak-free connections for air and light fluid lines. The Foster BL2302S/S is a 303 Stainless 1/8" coupler from the proven Foster 2 Seri...

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$ 667.00
$ 667.00 - $ 667.00
$ 667.00
$ 533.00
$ 533.00 - $ 533.00
$ 533.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 577.00
$ 577.00 - $ 577.00
$ 577.00
$ 461.00
$ 461.00 - $ 461.00
$ 461.00

Foster 2302S/S, 1/8" 2 Series Coupler x 1/8" Female NPT, 303 Stainless

Dependable, leak-free connections for air and light fluid lines. The Foster 2302S/S is a 303 Stainless 1/8" coupler from the proven Foster 2 Series...

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$ 577.00
$ 577.00 - $ 577.00
$ 577.00
$ 461.00
$ 461.00 - $ 461.00
$ 461.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
$ 187.00
$ 187.00 - $ 187.00
$ 187.00

Foster 2302HW, 1/8" 2 Series Coupler x 1/8" Female NPT, Heavy-Duty Brass, Stainless (Hot Water)

Dependable, leak-free connections for air and light fluid lines. The Foster 2302HW is a Heavy-Duty Brass, Stainless 1/8" coupler from the proven Fo...

View full details
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
$ 187.00
$ 187.00 - $ 187.00
$ 187.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 218.00
$ 218.00 - $ 218.00
$ 218.00
$ 174.00
$ 174.00 - $ 174.00
$ 174.00

Foster 2302H, 1/8" 2 Series Coupler x 1/8" Female NPT, Heavy-Duty Brass, Steel (Heat)

Dependable, leak-free connections for air and light fluid lines. The Foster 2302H is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster ...

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$ 218.00
$ 218.00 - $ 218.00
$ 218.00
$ 174.00
$ 174.00 - $ 174.00
$ 174.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 327.00
$ 327.00 - $ 327.00
$ 327.00
$ 262.00
$ 262.00 - $ 262.00
$ 262.00

Foster BL2302, 1/8" 2 Series Coupler x 1/8" Female NPT, Heavy-Duty Brass, Steel (Ball Lock)

Dependable, leak-free connections for air and light fluid lines. The Foster BL2302 is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster...

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$ 327.00
$ 327.00 - $ 327.00
$ 327.00
$ 262.00
$ 262.00 - $ 262.00
$ 262.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 144.00
$ 144.00 - $ 144.00
$ 144.00

Foster 2302, 1/8" 2 Series Coupler x 1/8" Female NPT, Heavy-Duty Brass, Steel

Dependable, leak-free connections for air and light fluid lines. The Foster 2302 is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster 2...

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$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 144.00
$ 144.00 - $ 144.00
$ 144.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 57.00
$ 57.00 - $ 57.00
$ 57.00
$ 46.00
$ 46.00 - $ 46.00
$ 46.00

Foster 02-2, 1/8" 2 Series Plug x 1/8" Hose ID, Steel

Dependable, leak-free connections for air and light fluid lines. The Foster 02-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniature...

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$ 57.00
$ 57.00 - $ 57.00
$ 57.00
$ 46.00
$ 46.00 - $ 46.00
$ 46.00
Save 19% Save %
Save 20% Save %
$ 626.00
$ 626.00 - $ 626.00
$ 626.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00

Foster 310-1814, Aro 310 Series, Coupler, Automatic, 1/2" Push-On Hose Barb, Brass, Steel

Series: 310 Part number: 310-1814 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 1/2" Push-On Hose Barb Material: Heavy-Duty Bra...

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$ 626.00
$ 626.00 - $ 626.00
$ 626.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00
Save 20% Save %
Save 20% Save %
$ 614.00
$ 614.00 - $ 614.00
$ 614.00
$ 491.00
$ 491.00 - $ 491.00
$ 491.00

Foster 210-1714, Aro 310 Series, Coupler, Automatic, 3/8" Push-On Hose Barb, Brass, Steel

Series: 310 Part number: 310-1714 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 3/8" Push-On Hose Barb Material: Heavy-Duty Bra...

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$ 614.00
$ 614.00 - $ 614.00
$ 614.00
$ 491.00
$ 491.00 - $ 491.00
$ 491.00
Save 20% Save %
Save 20% Save %
$ 588.00
$ 588.00 - $ 588.00
$ 588.00
$ 470.00
$ 470.00 - $ 470.00
$ 470.00

Foster 310-4904, Aro 310 Series, Coupler, Automatic, 1/2" Hose Barb, Brass, Steel

Series: 310 Part number: 310-4904 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 1/2" Hose Barb Material: Heavy-Duty Brass, Stee...

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$ 588.00
$ 588.00 - $ 588.00
$ 588.00
$ 470.00
$ 470.00 - $ 470.00
$ 470.00
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Save 20% Save %
$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 475.00
$ 475.00 - $ 475.00
$ 475.00

Foster 310-4704, Aro 310 Series, Coupler, Automatic, 5/16" Hose Barb, Brass, Steel

Series: 310 Part number: 310-4704 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 5/16" Hose Barb Material: Heavy-Duty Brass, Ste...

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$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 475.00
$ 475.00 - $ 475.00
$ 475.00
Save 20% Save %
Save 20% Save %
$ 579.00
$ 579.00 - $ 579.00
$ 579.00
$ 463.00
$ 463.00 - $ 463.00
$ 463.00

Foster 310-4604, Aro 310 Series, Coupler, Automatic, 1/4" Hose Barb, Brass, Steel

Series: 310 Part number: 310-4604 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 1/4" Hose Barb Material: Heavy-Duty Brass, Stee...

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$ 579.00
$ 579.00 - $ 579.00
$ 579.00
$ 463.00
$ 463.00 - $ 463.00
$ 463.00
Save 20% Save %
Save 20% Save %
$ 517.00
$ 517.00 - $ 517.00
$ 517.00
$ 413.00
$ 413.00 - $ 413.00
$ 413.00

Foster 310-4104, Aro 210 Series, Coupler, Automatic, 1/4" Male NPT, Brass, Steel

Series: 310 Part number: 310-4104 Interchange: Aro 410 Body: 3/8" Coupler, Automatic Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Brass, ...

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$ 517.00
$ 517.00 - $ 517.00
$ 517.00
$ 413.00
$ 413.00 - $ 413.00
$ 413.00
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