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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.

  • Original price €13,95 - Original price €13,95
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    €13,95
    €13,95 - €13,95
    Current price €13,95

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

    In stock

    Series: 4 Part Number: 4104 Interchange: Industrial, I/M Body: 3/8" Manual Coupler Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Brass, ...

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    Original price €13,95 - Original price €13,95
    Original price
    €13,95
    €13,95 - €13,95
    Current price €13,95
  • Original price €5,95 - Original price €5,95
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    €5,95
    €5,95 - €5,95
    Current price €5,95

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

    In stock

    Series: 4 Part Number: 48-4B Interchange: Industrial Body: 3/8" Plug Thread: 3/8" Hose Barb Material: Heavy-Duty Brass Rated Pressure: 30...

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    Original price €5,95 - Original price €5,95
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    €5,95
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    Current price €5,95
  • Original price €7,95 - Original price €7,95
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    €7,95
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    Current price €7,95

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

    In stock

    Series: 3 Part Number: SG3603 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual, Sleeve Guard Thread: 1/4" Hose Barb Material: Heavy...

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    Original price €7,95 - Original price €7,95
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    €7,95
    €7,95 - €7,95
    Current price €7,95
  • Original price €11,95 - Original price €11,95
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    €11,95
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    Current price €11,95

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

    In stock

    Series: 3 Part Number: FM3303 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Male NPT, MPT Material: Heavy-Duty B...

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    Original price €11,95 - Original price €11,95
    Original price
    €11,95
    €11,95 - €11,95
    Current price €11,95
  • Original price €10,95 - Original price €10,95
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    €10,95
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    Foster 3003HW, 3 Series, Industrial Coupler, Manual, 1/4" Female NPT, Brass (HOT WATER)

    In stock

    Series: 3 Part Number: 3003HW Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Female NPT, FPT Material: Heavy-Duty Br...

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    Original price €10,95 - Original price €10,95
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    €10,95
    €10,95 - €10,95
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  • Original price €9,95 - Original price €9,95
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    €9,95
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    Foster 210-3603, Aro 210 Series, Coupler, Automatic, 1/4" Hose Barb, Brass, Steel

    In stock

    Series: 210 Part number: 210-3603 Interchange: Aro 210 Body: 1/4" Coupler, Automatic Thread: 1/4" Hose Barb Material: Heavy-Duty Brass, Stee...

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    Original price €9,95 - Original price €9,95
    Original price
    €9,95
    €9,95 - €9,95
    Current price €9,95
  • Original price €3,95 - Original price €3,95
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    €3,95
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    Foster 210-16, Aro 210 Series, Plug, 1/4" Hose Barb, Steel

    In stock

    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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    Original price €3,95 - Original price €3,95
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    €3,95
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    Current price €3,95
  • Original price €12,95 - Original price €12,95
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    €12,95
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    Current price €12,95

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

    In stock

    Series: 3 Part Number: SL3003 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic With Sleeve Lock Thread: 1/4" Female NPT, FPT Mat...

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    Original price €12,95 - Original price €12,95
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    €12,95
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    Current price €12,95
  • Original price €16,95 - Original price €16,95
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    Foster 310-4504, Aro 310 Series, Coupler, Automatic, 1/2" Male NPT, Brass, Steel

    In stock

    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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    Original price €16,95 - Original price €16,95
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    €16,95
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    Current price €16,95
  • Original price €11,95 - Original price €11,95
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    €11,95
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    Current price €11,95

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

    In stock

    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

    Original price €11,95 - Original price €11,95
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    €11,95
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    Current price €11,95
  • Original price €18,95 - Original price €18,95
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    €18,95
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    Current price €18,95

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

    In stock

    Series: 5 Part Number: 5905 Interchange: Industrial Body: 1/2" Coupler, Automatic Thread: 3/4" Hose Barb Material: Heavy-Duty Brass, Stee...

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    Original price €18,95 - Original price €18,95
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    €18,95
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    Current price €18,95
  • Original price €15,95 - Original price €15,95
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    Foster 3203GB, 3 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass

    In stock

    Series: 3 Part Number: 3203GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Female NPT, FPT Material: Heavy-Duty...

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    Original price €15,95 - Original price €15,95
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    €15,95
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  • Original price €31,95 - Original price €31,95
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    €31,95
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    Current price €31,95

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

    In stock

    Series: 3 Part Number: 3303S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Male NPT, MPT Material: 303 Stainless ...

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    Original price €31,95 - Original price €31,95
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    €31,95
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    Current price €31,95
  • Original price €2,95 - Original price €2,95
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    €2,95
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    Current price €2,95

    Foster 71-3, 3 Series, Industrial Plug, 3/8" Hose Barb (Push-On), Steel

    In stock

    Series: 3 Part Number: 71-3 Interchange: Industrial Body: 1/4" Plug Thread: 3/8" Hose Barb (Push-On) Material: Heavy-Duty Steel Rated Pr...

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    Original price €2,95 - Original price €2,95
    Original price
    €2,95
    €2,95 - €2,95
    Current price €2,95
  • Original price €11,95 - Original price €11,95
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    €11,95
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    Current price €11,95

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

    In stock

    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

    Original price €11,95 - Original price €11,95
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    €11,95
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    Current price €11,95
  • Original price €4,95 - Original price €4,95
    Original price
    €4,95
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    Current price €4,95

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

    In stock

    Series: 4 Part Number: 40-4B Interchange: Industrial Body: 3/8" Plug Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Brass Rated Pressure...

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    Original price €4,95 - Original price €4,95
    Original price
    €4,95
    €4,95 - €4,95
    Current price €4,95
  • Original price €10,95 - Original price €10,95
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    Current price €10,95

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

    In stock

    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

    Original price €10,95 - Original price €10,95
    Original price
    €10,95
    €10,95 - €10,95
    Current price €10,95
  • Original price €6,95 - Original price €6,95
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    €6,95
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    Current price €6,95

    Foster SHD17, SHD Series, Schrader Plug, 3/8" Hose Barb, Steel

    In stock

    Series: SHD Part Number: SHD17 Interchange: Schrader, Twist Lock Body: 1/4" Plug Thread: 3/8" Hose Barb Material: Heavy-Duty Steel Rated P...

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    Original price €6,95 - Original price €6,95
    Original price
    €6,95
    €6,95 - €6,95
    Current price €6,95
  • Original price €8,95 - Original price €8,95
    Original price
    €8,95
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    Current price €8,95

    Foster 61-5, 5 Series, Industrial Plug, 3/4" Hose Barb, Steel

    In stock

    Series: 5 Part Number: 61-5 Interchange: Industrial Body: 1/2" Plug Thread: 3/4" Hose Barbs Material: Heavy-Duty Steel Rated Pressure: 30...

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    Original price €8,95 - Original price €8,95
    Original price
    €8,95
    €8,95 - €8,95
    Current price €8,95
  • Original price €8,95 - Original price €8,95
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    €8,95
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    Current price €8,95

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

    In stock

    Series: 5 Part Number: 56-5 Interchange: Industrial Body: 1/2" Plug Thread: 3/4" Male NPT, MPT Material: Heavy-Duty Steel Rated Pressure:...

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    Original price €8,95 - Original price €8,95
    Original price
    €8,95
    €8,95 - €8,95
    Current price €8,95
  • Original price €18,95 - Original price €18,95
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    €18,95
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    Current price €18,95

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

    In stock

    Series: 4 Part Number: FM1714 Interchange: Industrial Body: 3/8" Coupler, Automatic Thread: 3/8" Push-On Hose Barb Material: Heavy-Duty Br...

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    Original price €18,95 - Original price €18,95
    Original price
    €18,95
    €18,95 - €18,95
    Current price €18,95
  • Original price €10,95 - Original price €10,95
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    €10,95
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    Current price €10,95

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

    In stock

    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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    Original price €10,95 - Original price €10,95
    Original price
    €10,95
    €10,95 - €10,95
    Current price €10,95
  • Original price €3,95 - Original price €3,95
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    €3,95
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    Current price €3,95

    Foster LN10, LN Series, Lincoln Plug, 1/4" Male NPT, Steel

    In stock

    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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    Original price €3,95 - Original price €3,95
    Original price
    €3,95
    €3,95 - €3,95
    Current price €3,95
  • Original price €22,95 - Original price €22,95
    Original price
    €22,95
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    Current price €22,95

    Foster FM5105, 5 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass

    In stock

    Series: 5 Part Number: FM5105 Interchange: Industrial Body: 1/2" Coupler, Automatic Thread: 3/8" Male NPT, MPT Material: Heavy-Duty Brass ...

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    Original price €22,95 - Original price €22,95
    Original price
    €22,95
    €22,95 - €22,95
    Current price €22,95