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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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$ 107.00
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Foster 210-16, Aro 210 Series, Plug, 1/4" Hose Barb, Steel

Series: 210 Part Number: 210-16 Interchange: Aro 210 Body: 1/4" Plug Thread: 1/4" Hose Barb Material: Heavy-Duty Steel Rated Pressure: 300 ...

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$ 107.00
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$ 86.00
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$ 565.00
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$ 453.00
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$ 453.00

Foster 310-4804, Aro 310 Series, Coupler, Automatic, 3/8" Hose Barb, Brass, Steel

Series: 310 Part number: 310-4804 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Duty Brass, Stee...

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$ 565.00
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$ 453.00
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$ 166.00
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$ 166.00
$ 133.00
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$ 133.00

Foster K1B, FHK Series, ISO B, 1/8" Two Way Shut-off, Plug, Brass

Series: FHK Part Number: K1B Interchange: ISO B 7241-1 Plug Body: 1/8" Valved Thread: 1/8" Female NPT, FPT Material: Solid Brass Quantity: 1

$ 166.00
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$ 166.00
$ 133.00
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$ 133.00
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$ 767.00
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$ 613.00
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$ 613.00

Foster FM5905, 5 Series, Industrial Coupler, Automatic, 3/4" Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5905 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 767.00
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$ 767.00
$ 613.00
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$ 613.00
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$ 749.00
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$ 600.00
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$ 600.00

Foster FM5505, 5 Series, Industrial Coupler, Automatic, 3/4" Male NPT, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5505 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 749.00
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$ 749.00
$ 600.00
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$ 548.00
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$ 438.00
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$ 438.00

Foster FM4104, 4 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4104 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 548.00
$ 548.00 - $ 548.00
$ 548.00
$ 438.00
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$ 438.00
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$ 415.00
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$ 415.00
$ 333.00
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$ 333.00

Foster 4104, 4 Series, Industrial Coupler, Manual, 1/4" Male NPT, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 415.00
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$ 415.00
$ 333.00
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$ 171.00
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$ 138.00
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$ 138.00

Foster 48-4B, 4 Series, Industrial Plug, 3/8" Hose Barb, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 48-4B is a Brass 3/8" industrial plug from the Foster 4 Series — a high-fl...

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$ 171.00
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$ 171.00
$ 138.00
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$ 233.00
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$ 186.00
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$ 186.00

Foster SG3603, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/4" Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG3603 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 233.00
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$ 233.00
$ 186.00
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$ 186.00
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$ 386.00
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$ 386.00
$ 309.00
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$ 309.00

Foster FM3303, 3 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster FM3303 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 386.00
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$ 386.00
$ 309.00
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$ 309.00
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$ 343.00
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$ 343.00
$ 274.00
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$ 274.00

Foster 3003HW, 3 Series, Industrial Coupler, Manual, 1/4" Female NPT, Brass (HOT WATER)

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3003HW is a Brass/SS 1/4" industrial coupler from the Foster 3 Series — th...

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$ 343.00
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$ 343.00
$ 274.00
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$ 391.00
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$ 314.00

Foster SL3003, 3 Series, Industrial Coupler, Automatic, 1/4" Female NPT, Brass With Ball Sleeve Lock

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SL3003 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 391.00
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$ 391.00
$ 314.00
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$ 314.00
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$ 543.00
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$ 543.00
$ 434.00
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$ 434.00

Foster 310-4504, Aro 310 Series, Coupler, Automatic, 1/2" Male NPT, Brass, Steel

Series: 310 Part number: 310-4404 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 1/2" Female NPT, FPT Material: Heavy-Duty Brass...

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$ 543.00
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$ 543.00
$ 434.00
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$ 587.00
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$ 587.00
$ 470.00
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$ 470.00

Foster 5905, 5 Series, Industrial Coupler, Automatic, 3/4" Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5905 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 587.00
$ 587.00 - $ 587.00
$ 587.00
$ 470.00
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$ 503.00
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Foster 3203GB, 3 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3203GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 503.00
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$ 503.00
$ 403.00
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$ 1,135.00
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$ 908.00
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$ 908.00

Foster 3303S/S, 3 Series, Industrial Coupler, Manual, 3/8" Male NPT, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3303S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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$ 1,135.00
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$ 1,135.00
$ 908.00
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$ 80.00
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$ 80.00
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Foster 71-3, 3 Series, Industrial Plug, 3/8" Hose Barb (Push-On), Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 71-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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$ 80.00
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$ 80.00
$ 64.00
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$ 364.00
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$ 364.00
$ 291.00
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$ 291.00

Foster H1B, FHK Series, ISO B, 1/8" Two Way Shut-off, Coupler, Brass

Series: FHK Part Number: H1B Interchange: ISO B 7241-1 Coupler Body: 1/8" Valved Thread: 1/8" Female NPT, FPT Material: Solid Brass Quantity: 1

$ 364.00
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$ 364.00
$ 291.00
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$ 291.00
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$ 159.00
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$ 159.00
$ 126.00
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$ 126.00

Foster 40-4B, 4 Series, Industrial Plug, 1/4" Male NPT, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 40-4B is a Brass 3/8" industrial plug from the Foster 4 Series — a high-fl...

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$ 159.00
$ 159.00 - $ 159.00
$ 159.00
$ 126.00
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$ 126.00
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$ 457.00
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$ 365.00
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$ 365.00

Foster H2B, FHK Series, ISO B, 1/4" Two Way Shut-off, Coupler, Brass

Series: FHK Part Number: H2B Interchange: ISO B 7241-1 Coupler Body: 1/4" Valved Thread: 1/4" Female NPT, FPT Material: Solid Brass Quantity: 1

$ 457.00
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$ 457.00
$ 365.00
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$ 365.00
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$ 248.00
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$ 248.00
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$ 198.00

Foster 56-5, 5 Series, Industrial Plug, 3/4" Male NPT, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 56-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 248.00
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$ 248.00
$ 198.00
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$ 198.00
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$ 481.00
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$ 481.00

Foster FM1714, 4 Series, Industrial Coupler, Automatic, 3/8" Push-On Hose Barb, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM1714 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 600.00
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$ 600.00
$ 481.00
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$ 481.00
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$ 319.00
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$ 319.00
$ 255.00
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$ 255.00

Foster TF3003, TF Series, True-Flate, Automotive, Coupler, Automatic, 1/4" Female NPT, Brass, Steel

Series: TF3 Part Number: TF3003 Interchange: True-Flate, Automotive Body: 1/4" Coupler, Automatic Thread: 1/4" Female NPT, FPT Material: He...

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$ 319.00
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$ 319.00
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$ 104.00
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$ 104.00
$ 83.00
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Foster LN10, LN Series, Lincoln Plug, 1/4" Male NPT, Steel

Series: LN Part Number: LN10 Interchange: Lincoln Body: 1/4" Plug Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Steel Rated Pressure: 30...

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$ 104.00
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$ 104.00
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