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Pneumatic Quick Couplers

Pneumatic quick couplers connect and disconnect air lines in one quick motion, no tools required. This collection covers the full range of air quick couplers and plugs across every interchange, from miniature 2 Series to industrial body sizes, in steel, brass, and stainless. Filter by series, body size, thread, and material to find the exact coupler or plug your air system needs.

  • Breco B-B3PS3-S, 3/8" Industrial Plug x 3/8" Push-On Hose Stem, 4 Series, Steel
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    $ 27.09
    $ 27.09 - $ 27.09
    $ 27.09
    $ 21.69
    $ 21.69 - $ 21.69
    $ 21.69

    Breco D460BL, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Breco D460BL is a Brass/Steel 3/8" industrial coupler from the Breco 4 Series — a...

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    $ 27.09
    $ 27.09 - $ 27.09
    $ 27.09
    $ 21.69
    $ 21.69 - $ 21.69
    $ 21.69
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  • Breco B-B3PS3-S, 3/8" Industrial Plug x 3/8" Push-On Hose Stem, 4 Series, Steel
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    $ 22.69
    $ 22.69 - $ 22.69
    $ 22.69
    $ 18.09
    $ 18.09 - $ 18.09
    $ 18.09

    Breco D460, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Breco D460 is a Brass/Steel 3/8" industrial coupler from the Breco 4 Series — a h...

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    $ 22.69
    $ 22.69 - $ 22.69
    $ 22.69
    $ 18.09
    $ 18.09 - $ 18.09
    $ 18.09
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  • Breco B-B3PS3-S, 3/8" Industrial Plug x 3/8" Push-On Hose Stem, 4 Series, Steel
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    $ 26.29
    $ 26.29 - $ 26.29
    $ 26.29
    $ 21.09
    $ 21.09 - $ 21.09
    $ 21.09

    Breco D440BL, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Breco D440BL is a Brass/Steel 3/8" industrial coupler from the Breco 4 Series — a...

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    $ 26.29
    $ 26.29 - $ 26.29
    $ 26.29
    $ 21.09
    $ 21.09 - $ 21.09
    $ 21.09
    Save 20% Save %
  • Breco B-B3PS3-S, 3/8" Industrial Plug x 3/8" Push-On Hose Stem, 4 Series, Steel
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    $ 21.89
    $ 21.89 - $ 21.89
    $ 21.89
    $ 17.59
    $ 17.59 - $ 17.59
    $ 17.59

    Breco D440, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Breco D440 is a Brass/Steel 3/8" industrial coupler from the Breco 4 Series — a h...

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    $ 21.89
    $ 21.89 - $ 21.89
    $ 21.89
    $ 17.59
    $ 17.59 - $ 17.59
    $ 17.59
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  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
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    $ 10.89
    $ 10.89 - $ 10.89
    $ 10.89
    $ 8.69
    $ 8.69 - $ 8.69
    $ 8.69

    Foster PJ8-2S/S, 1/8" 2 Series Plug x 1/4" Tube, 303 Stainless

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster PJ8-2S/S is a 303 Stainless 1/8" plug from the proven Foster 2 Series —...

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    $ 10.89
    $ 10.89 - $ 10.89
    $ 10.89
    $ 8.69
    $ 8.69 - $ 8.69
    $ 8.69
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  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
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    $ 11.79
    $ 11.79 - $ 11.79
    $ 11.79
    $ 9.39
    $ 9.39 - $ 9.39
    $ 9.39

    Foster PJ8-2VM, 1/8" 2 Series Plug x 1/4" Soft Metal Tube, Brass Valve Core, Brass

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster PJ8-2VM is a Brass 1/8" plug from the proven Foster 2 Series — a miniat...

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    $ 11.79
    $ 11.79 - $ 11.79
    $ 11.79
    $ 9.39
    $ 9.39 - $ 9.39
    $ 9.39
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  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
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    $ 9.79
    $ 9.79 - $ 9.79
    $ 9.79
    $ 7.79
    $ 7.79 - $ 7.79
    $ 7.79

    Foster PJ8-2M, 1/8" 2 Series Plug x 1/4" Soft Metal Tube, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster PJ8-2M is a Steel 1/8" plug from the proven Foster 2 Series — a miniatu...

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    $ 9.79
    $ 9.79 - $ 9.79
    $ 9.79
    $ 7.79
    $ 7.79 - $ 7.79
    $ 7.79
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  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
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    $ 10.59
    $ 10.59 - $ 10.59
    $ 10.59
    $ 8.49
    $ 8.49 - $ 8.49
    $ 8.49

    Foster PJ8-2VLV, 1/8" 2 Series Plug x 1/4" Plastic Tube, Less Valve, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster PJ8-2VLV is a Steel 1/8" plug from the proven Foster 2 Series — a minia...

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    $ 10.59
    $ 10.59 - $ 10.59
    $ 10.59
    $ 8.49
    $ 8.49 - $ 8.49
    $ 8.49
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  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
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    $ 29.59
    $ 29.59 - $ 29.59
    $ 29.59
    $ 23.69
    $ 23.69 - $ 23.69
    $ 23.69

    Foster PJ8-2V, 1/8" 2 Series Plug x 1/4" Plastic Tube, Brass Valve Core, Brass

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster PJ8-2V is a Brass 1/8" plug from the proven Foster 2 Series — a miniatu...

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    $ 29.59
    $ 29.59 - $ 29.59
    $ 29.59
    $ 23.69
    $ 23.69 - $ 23.69
    $ 23.69
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 20% Save %
    $ 10.09
    $ 10.09 - $ 10.09
    $ 10.09
    $ 8.09
    $ 8.09 - $ 8.09
    $ 8.09

    Foster PJ8-2, 1/8" 2 Series Plug x 1/4" Plastic Tube, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster PJ8-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniatur...

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    $ 10.09
    $ 10.09 - $ 10.09
    $ 10.09
    $ 8.09
    $ 8.09 - $ 8.09
    $ 8.09
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
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    $ 8.09
    $ 8.09 - $ 8.09
    $ 8.09
    $ 6.49
    $ 6.49 - $ 6.49
    $ 6.49

    Foster 04-2, 1/8" 2 Series Plug x 1/4" Hose ID, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster 04-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniature...

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    $ 8.09
    $ 8.09 - $ 8.09
    $ 8.09
    $ 6.49
    $ 6.49 - $ 6.49
    $ 6.49
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 21% Save %
    $ 4.19
    $ 4.19 - $ 4.19
    $ 4.19
    $ 3.29
    $ 3.29 - $ 3.29
    $ 3.29

    Foster 03-2, 1/8" 2 Series Plug x 3/16" Hose ID, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster 03-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniature...

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    $ 4.19
    $ 4.19 - $ 4.19
    $ 4.19
    $ 3.29
    $ 3.29 - $ 3.29
    $ 3.29
    Save 21% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 20% Save %
    $ 5.39
    $ 5.39 - $ 5.39
    $ 5.39
    $ 4.29
    $ 4.29 - $ 4.29
    $ 4.29

    Foster 27-2, 1/8" 2 Series Plug x 1/4" Female NPT, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster 27-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniature...

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    $ 5.39
    $ 5.39 - $ 5.39
    $ 5.39
    $ 4.29
    $ 4.29 - $ 4.29
    $ 4.29
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 19% Save %
    $ 3.09
    $ 3.09 - $ 3.09
    $ 3.09
    $ 2.49
    $ 2.49 - $ 2.49
    $ 2.49

    Foster 23-2, 1/8" 2 Series Plug x 1/8" Female NPT, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster 23-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniature...

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    $ 3.09
    $ 3.09 - $ 3.09
    $ 3.09
    $ 2.49
    $ 2.49 - $ 2.49
    $ 2.49
    Save 19% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 21% Save %
    $ 4.29
    $ 4.29 - $ 4.29
    $ 4.29
    $ 3.39
    $ 3.39 - $ 3.39
    $ 3.39

    Foster 24-2, 1/8" 2 Series Plug x 1/4" Male NPT, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster 24-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniature...

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    $ 4.29
    $ 4.29 - $ 4.29
    $ 4.29
    $ 3.39
    $ 3.39 - $ 3.39
    $ 3.39
    Save 21% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 20% Save %
    $ 6.09
    $ 6.09 - $ 6.09
    $ 6.09
    $ 4.89
    $ 4.89 - $ 4.89
    $ 4.89

    Foster 22-2S/S, 1/8" 2 Series Plug x 1/8" Male NPT, 303 Stainless

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster 22-2S/S is a 303 Stainless 1/8" plug from the proven Foster 2 Series — ...

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    $ 6.09
    $ 6.09 - $ 6.09
    $ 6.09
    $ 4.89
    $ 4.89 - $ 4.89
    $ 4.89
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 21% Save %
    $ 4.29
    $ 4.29 - $ 4.29
    $ 4.29
    $ 3.39
    $ 3.39 - $ 3.39
    $ 3.39

    Foster 22-2B, 1/8" 2 Series Plug x 1/8" Male NPT, Brass

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster 22-2B is a Brass 1/8" plug from the proven Foster 2 Series — a miniatur...

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    $ 4.29
    $ 4.29 - $ 4.29
    $ 4.29
    $ 3.39
    $ 3.39 - $ 3.39
    $ 3.39
    Save 21% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 19% Save %
    $ 2.59
    $ 2.59 - $ 2.59
    $ 2.59
    $ 2.09
    $ 2.09 - $ 2.09
    $ 2.09

    Foster 22-2, 1/8" 2 Series Plug x 1/8" Male NPT, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster 22-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniature...

    View full details
    $ 2.59
    $ 2.59 - $ 2.59
    $ 2.59
    $ 2.09
    $ 2.09 - $ 2.09
    $ 2.09
    Save 19% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 20% Save %
    $ 14.29
    $ 14.29 - $ 14.29
    $ 14.29
    $ 11.39
    $ 11.39 - $ 11.39
    $ 11.39

    Foster SJ8P-2M, 1/8" 2 Series Coupler x 1/4" Soft Metal Tube, Panel Mount, Heavy-Duty Brass, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster SJ8P-2M is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foste...

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    $ 14.29
    $ 14.29 - $ 14.29
    $ 14.29
    $ 11.39
    $ 11.39 - $ 11.39
    $ 11.39
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 20% Save %
    $ 17.69
    $ 17.69 - $ 17.69
    $ 17.69
    $ 14.19
    $ 14.19 - $ 14.19
    $ 14.19

    Foster SJ8P-2W, 1/8" 2 Series Coupler x 1/4" Plastic Tube, Panel Mount, Heavy-Duty Brass, Stainless (Water)

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster SJ8P-2W is a Heavy-Duty Brass, Stainless 1/8" coupler from the proven F...

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    $ 17.69
    $ 17.69 - $ 17.69
    $ 17.69
    $ 14.19
    $ 14.19 - $ 14.19
    $ 14.19
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 20% Save %
    $ 17.69
    $ 17.69 - $ 17.69
    $ 17.69
    $ 14.19
    $ 14.19 - $ 14.19
    $ 14.19

    Foster SJ8P-2HW, 1/8" 2 Series Coupler x 1/4" Plastic Tube, Panel Mount, Heavy-Duty Brass, Stainless (Hot Water)

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster SJ8P-2HW is a Heavy-Duty Brass, Stainless 1/8" coupler from the proven ...

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    $ 17.69
    $ 17.69 - $ 17.69
    $ 17.69
    $ 14.19
    $ 14.19 - $ 14.19
    $ 14.19
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 20% Save %
    $ 19.39
    $ 19.39 - $ 19.39
    $ 19.39
    $ 15.59
    $ 15.59 - $ 15.59
    $ 15.59

    Foster BLSJ8P-2, 1/8" 2 Series Coupler x 1/4" Plastic Tube, Panel Mount, Heavy-Duty Brass, Steel (Ball Lock)

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster BLSJ8P-2 is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Fost...

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    $ 19.39
    $ 19.39 - $ 19.39
    $ 19.39
    $ 15.59
    $ 15.59 - $ 15.59
    $ 15.59
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 20% Save %
    $ 14.29
    $ 14.29 - $ 14.29
    $ 14.29
    $ 11.39
    $ 11.39 - $ 11.39
    $ 11.39

    Foster SJ8P-2, 1/8" 2 Series Coupler x 1/4" Plastic Tube, Panel Mount, Heavy-Duty Brass, Steel

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster SJ8P-2 is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster...

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    $ 14.29
    $ 14.29 - $ 14.29
    $ 14.29
    $ 11.39
    $ 11.39 - $ 11.39
    $ 11.39
    Save 20% Save %
  • Foster PD13-4, 3/8" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Steel
    Save 20% Save %
    $ 45.79
    $ 45.79 - $ 45.79
    $ 45.79
    $ 36.69
    $ 36.69 - $ 36.69
    $ 36.69

    Foster SJ8-2S/S, 1/8" 2 Series Coupler x 1/4" Tube, 303 Stainless

    In stock

    Dependable, leak-free connections for air and light fluid lines. The Foster SJ8-2S/S is a 303 Stainless 1/8" coupler from the proven Foster 2 Serie...

    View full details
    $ 45.79
    $ 45.79 - $ 45.79
    $ 45.79
    $ 36.69
    $ 36.69 - $ 36.69
    $ 36.69
    Save 20% Save %