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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.

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$ 23.59
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$ 23.59
$ 18.89
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Foster FM3703, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster FM3703 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 23.59
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$ 23.59
$ 18.89
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$ 18.89
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$ 13.59
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$ 13.59
$ 10.89
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$ 10.89

Foster SG3703, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG3703 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 13.59
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$ 13.59
$ 10.89
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$ 10.89
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$ 6.29
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$ 6.29
$ 4.99
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$ 4.99

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

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

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$ 6.29
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$ 6.29
$ 4.99
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$ 4.99
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$ 33.19
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$ 33.19
$ 26.59
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$ 26.59

Foster FM4904, 4 Series, Industrial Coupler, Automatic, 1/2" Hose Barb, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4904 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 33.19
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$ 33.19
$ 26.59
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$ 26.59
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$ 25.69
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$ 25.69
$ 20.59
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$ 20.59

Foster 68-6, 6 Series, Industrial Plug, 1" Male NPT, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 68-6 is a Steel 3/4" industrial plug from the Foster 6 Series — ...

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$ 25.69
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$ 25.69
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$ 68.09
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$ 68.09
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$ 54.49

Foster FM6606, 6 Series, Industrial Coupler, Automatic, 1" Female NPT, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM6606 is a Brass 3/4" industrial coupler from the Foster 6 Seri...

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$ 68.09
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$ 68.09
$ 54.49
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$ 54.49
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$ 16.19
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$ 16.19
$ 12.89
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$ 12.89

Foster 1713, 3 Series, Industrial Coupler, Manual, 3/8" Hose Barb (Push-On), Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 1713 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — t...

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$ 16.19
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$ 16.19
$ 12.89
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$ 12.89
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$ 9.39
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$ 9.39
$ 7.49
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$ 7.49

Foster 14-3B, 3 Series, Industrial Plug, 3/8" Male NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 14-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 9.39
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$ 9.39
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$ 7.49
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$ 5.19
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Foster 51-3, 3 Series, Industrial Plug, 1/4" Hose Barb (Push-On), Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 51-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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$ 5.19
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$ 30.89
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$ 24.69
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$ 24.69

Foster 5305, 5 Series, Industrial Coupler, Automatic, 1/2" Male NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5305 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 30.89
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$ 30.89
$ 24.69
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$ 24.69
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$ 12.49
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$ 12.49
$ 9.99
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$ 9.99

Foster 12-3S/S, 3 Series, Industrial Plug, 1/8" Male NPT, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 12-3S/S is a 303 Stainless 1/4" industrial plug from the Foster 3 Series —...

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$ 12.49
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$ 12.49
$ 9.99
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$ 9.99
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$ 19.19
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$ 19.19
$ 15.29
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Foster 2803, 3 Series, Industrial Coupler, Manual, 1/8" Female NPT, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 2803 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — t...

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$ 19.19
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$ 19.19
$ 15.29
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$ 15.29
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$ 16.39
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Foster 2903, 3 Series, Industrial Coupler, Manual, 1/8" Male NPT, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 2903 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — t...

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$ 16.39
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$ 16.39
$ 13.19
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$ 13.19
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$ 67.39
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$ 67.39
$ 53.89
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$ 53.89

Foster 3603S/S, 3 Series, Industrial Coupler, Manual, 1/4" Hose Barb, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3603S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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$ 67.39
$ 67.39 - $ 67.39
$ 67.39
$ 53.89
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$ 53.89
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$ 21.39
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$ 17.09
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$ 17.09

Foster FM1513, 3 Series, Industrial Coupler, Automatic, 1/4" Push-On Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster FM1513 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 21.39
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$ 21.39
$ 17.09
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$ 17.09
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$ 22.29
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$ 22.29
$ 17.79
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Foster 3303GS, 3 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3303GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 22.29
$ 22.29 - $ 22.29
$ 22.29
$ 17.79
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$ 17.79
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$ 25.69
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$ 25.69
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$ 20.49

Foster 2803GB, 3 Series, Industrial Coupler, Automatic, 1/8" Female NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 2803GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 25.69
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$ 25.69
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$ 20.49
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$ 10.39
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$ 10.39
$ 8.29
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$ 8.29

Foster 47-4, 4 Series, Industrial Plug, 5/16" Hose Barb, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 47-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

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$ 10.39
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$ 10.39
$ 8.29
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$ 8.29
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$ 31.29
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$ 31.29
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$ 25.09

Foster 5405, 5 Series, Industrial Coupler, Automatic, 3/4" Female NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5405 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 31.29
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$ 31.29
$ 25.09
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$ 25.09
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$ 33.69
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$ 33.69
$ 26.99
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$ 26.99

Foster 5805, 5 Series, Industrial Coupler, Automatic, 1/2" Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5805 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 33.69
$ 33.69 - $ 33.69
$ 33.69
$ 26.99
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$ 26.99
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$ 29.79
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$ 29.79
$ 23.79
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$ 23.79

Foster 1815, 5 Series, Industrial Coupler, Automatic, 1/2" Push-On Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 1815 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 29.79
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$ 29.79
$ 23.79
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$ 23.79
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$ 22.59
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$ 22.59
$ 18.09
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$ 18.09

Foster 70-6, 6 Series, Industrial Plug, 1/2" Hose Barb, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 70-6 is a Steel 3/4" industrial plug from the Foster 6 Series — ...

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$ 22.59
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$ 22.59
$ 18.09
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$ 18.09
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$ 70.49
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$ 70.49
$ 56.39
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$ 56.39

Foster FM6806, 6 Series, Industrial Coupler, Automatic, 1/2" Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM6806 is a Brass 3/4" industrial coupler from the Foster 6 Seri...

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$ 70.49
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$ 70.49
$ 56.39
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$ 56.39
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$ 3.39
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$ 3.39
$ 2.69
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$ 2.69

Foster 16-3, 3 Series, Industrial Plug, 1/4" Hose Barb, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 16-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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$ 3.39
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$ 3.39
$ 2.69
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$ 2.69
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