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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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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 26.79
$ 26.79 - $ 26.79
$ 26.79
$ 21.49
$ 21.49 - $ 21.49
$ 21.49

Foster SB7-3GS, 1/4" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 5/8" OD, 3 Series, Automatic Slim Profile, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SB7-3GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the ...

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$ 26.79
$ 26.79 - $ 26.79
$ 26.79
$ 21.49
$ 21.49 - $ 21.49
$ 21.49
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 %
$ 33.39
$ 33.39 - $ 33.39
$ 33.39
$ 26.79
$ 26.79 - $ 26.79
$ 26.79

Foster SB7-3GB, 1/4" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 5/8" OD, 3 Series, Automatic Slim Profile, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SB7-3GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the ...

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$ 33.39
$ 33.39 - $ 33.39
$ 33.39
$ 26.79
$ 26.79 - $ 26.79
$ 26.79
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 %
$ 28.19
$ 28.19 - $ 28.19
$ 28.19
$ 22.59
$ 22.59 - $ 22.59
$ 22.59

Foster SB5-3GS, 1/4" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 9/16" OD, 3 Series, Automatic Slim Profile, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SB5-3GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the ...

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$ 28.19
$ 28.19 - $ 28.19
$ 28.19
$ 22.59
$ 22.59 - $ 22.59
$ 22.59
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 %
$ 36.39
$ 36.39 - $ 36.39
$ 36.39
$ 29.09
$ 29.09 - $ 29.09
$ 29.09

Foster SB5-3GB, 1/4" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 9/16" OD, 3 Series, Automatic Slim Profile, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SB5-3GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the ...

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$ 36.39
$ 36.39 - $ 36.39
$ 36.39
$ 29.09
$ 29.09 - $ 29.09
$ 29.09
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 %
$ 26.29
$ 26.29 - $ 26.29
$ 26.29
$ 20.99
$ 20.99 - $ 20.99
$ 20.99

Foster SB3-3GS, 1/4" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 3 Series, Automatic Slim Profile, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SB3-3GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the ...

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$ 26.29
$ 26.29 - $ 26.29
$ 26.29
$ 20.99
$ 20.99 - $ 20.99
$ 20.99
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 %
$ 32.99
$ 32.99 - $ 32.99
$ 32.99
$ 26.39
$ 26.39 - $ 26.39
$ 26.39

Foster SB3-3GB, 1/4" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 3 Series, Automatic Slim Profile, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SB3-3GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the ...

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$ 32.99
$ 32.99 - $ 32.99
$ 32.99
$ 26.39
$ 26.39 - $ 26.39
$ 26.39
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 %
$ 29.09
$ 29.09 - $ 29.09
$ 29.09
$ 23.29
$ 23.29 - $ 23.29
$ 23.29

Foster 1713GB, 1/4" Industrial Coupler x 3/8" Push-On Hose Stem, 3 Series, Automatic Slim Profile, Brass

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

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$ 29.09
$ 29.09 - $ 29.09
$ 29.09
$ 23.29
$ 23.29 - $ 23.29
$ 23.29
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 %
$ 31.09
$ 31.09 - $ 31.09
$ 31.09
$ 24.89
$ 24.89 - $ 24.89
$ 24.89

Foster 1513GB, 1/4" Industrial Coupler x 1/4" Push-On Hose Stem, 3 Series, Automatic Slim Profile, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 1513GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 31.09
$ 31.09 - $ 31.09
$ 31.09
$ 24.89
$ 24.89 - $ 24.89
$ 24.89
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 %
$ 22.69
$ 22.69 - $ 22.69
$ 22.69
$ 18.19
$ 18.19 - $ 18.19
$ 18.19

Foster 3703GS, 1/4" Industrial Coupler x 3/8" Hose ID, 3 Series, Automatic Slim Profile, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 22.69
$ 22.69 - $ 22.69
$ 22.69
$ 18.19
$ 18.19 - $ 18.19
$ 18.19
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 %
$ 29.69
$ 29.69 - $ 29.69
$ 29.69
$ 23.69
$ 23.69 - $ 23.69
$ 23.69

Foster 3703GB, 1/4" Industrial Coupler x 3/8" Hose ID, 3 Series, Automatic Slim Profile, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 29.69
$ 29.69 - $ 29.69
$ 29.69
$ 23.69
$ 23.69 - $ 23.69
$ 23.69
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 %
$ 27.79
$ 27.79 - $ 27.79
$ 27.79
$ 22.19
$ 22.19 - $ 22.19
$ 22.19

Foster 3653GS, 1/4" Industrial Coupler x 5/16" Hose ID, 3 Series, Automatic Slim Profile, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3653GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 27.79
$ 27.79 - $ 27.79
$ 27.79
$ 22.19
$ 22.19 - $ 22.19
$ 22.19
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 %
$ 28.39
$ 28.39 - $ 28.39
$ 28.39
$ 22.69
$ 22.69 - $ 22.69
$ 22.69

Foster 3653GB, 1/4" Industrial Coupler x 5/16" Hose ID, 3 Series, Automatic Slim Profile, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3653GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 28.39
$ 28.39 - $ 28.39
$ 28.39
$ 22.69
$ 22.69 - $ 22.69
$ 22.69
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 %
$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09

Foster 3603GS, 1/4" Industrial Coupler x 1/4" Hose ID, 3 Series, Automatic Slim Profile, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3603GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09
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 %
$ 28.79
$ 28.79 - $ 28.79
$ 28.79
$ 23.09
$ 23.09 - $ 23.09
$ 23.09

Foster 3603GB, 1/4" Industrial Coupler x 1/4" Hose ID, 3 Series, Automatic Slim Profile, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3603GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 28.79
$ 28.79 - $ 28.79
$ 28.79
$ 23.09
$ 23.09 - $ 23.09
$ 23.09
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 %
$ 22.29
$ 22.29 - $ 22.29
$ 22.29
$ 17.79
$ 17.79 - $ 17.79
$ 17.79

Foster 3303GS, 1/4" Industrial Coupler x 3/8" Male NPT, 3 Series, Automatic Slim Profile, 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...

View full details
$ 22.29
$ 22.29 - $ 22.29
$ 22.29
$ 17.79
$ 17.79 - $ 17.79
$ 17.79
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 %
$ 28.19
$ 28.19 - $ 28.19
$ 28.19
$ 22.49
$ 22.49 - $ 22.49
$ 22.49

Foster 3303GB, 1/4" Industrial Coupler x 3/8" Male NPT, 3 Series, Automatic Slim Profile, Brass

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

View full details
$ 28.19
$ 28.19 - $ 28.19
$ 28.19
$ 22.49
$ 22.49 - $ 22.49
$ 22.49
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 %
$ 21.59
$ 21.59 - $ 21.59
$ 21.59
$ 17.29
$ 17.29 - $ 17.29
$ 17.29

Foster 3103GS, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Automatic Slim Profile, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 21.59
$ 21.59 - $ 21.59
$ 21.59
$ 17.29
$ 17.29 - $ 17.29
$ 17.29
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 %
$ 26.69
$ 26.69 - $ 26.69
$ 26.69
$ 21.39
$ 21.39 - $ 21.39
$ 21.39

Foster 3103GB, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Automatic Slim Profile, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 26.69
$ 26.69 - $ 26.69
$ 26.69
$ 21.39
$ 21.39 - $ 21.39
$ 21.39
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 %
$ 26.29
$ 26.29 - $ 26.29
$ 26.29
$ 21.09
$ 21.09 - $ 21.09
$ 21.09

Foster 2903GS, 1/4" Industrial Coupler x 1/8" Male NPT, 3 Series, Automatic Slim Profile, Steel

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

View full details
$ 26.29
$ 26.29 - $ 26.29
$ 26.29
$ 21.09
$ 21.09 - $ 21.09
$ 21.09
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 %
$ 36.89
$ 36.89 - $ 36.89
$ 36.89
$ 29.49
$ 29.49 - $ 29.49
$ 29.49

Foster 2903GB, 1/4" Industrial Coupler x 1/8" Male NPT, 3 Series, Automatic Slim Profile, Brass

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

View full details
$ 36.89
$ 36.89 - $ 36.89
$ 36.89
$ 29.49
$ 29.49 - $ 29.49
$ 29.49
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 %
$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09

Foster 3203GS, 1/4" Industrial Coupler x 3/8" Female NPT, 3 Series, Automatic Slim Profile, Steel

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

View full details
$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09
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 %
$ 29.19
$ 29.19 - $ 29.19
$ 29.19
$ 23.39
$ 23.39 - $ 23.39
$ 23.39

Foster 3203GB, 1/4" Industrial Coupler x 3/8" Female NPT, 3 Series, Automatic Slim Profile, 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...

View full details
$ 29.19
$ 29.19 - $ 29.19
$ 29.19
$ 23.39
$ 23.39 - $ 23.39
$ 23.39
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 %
$ 21.49
$ 21.49 - $ 21.49
$ 21.49
$ 17.19
$ 17.19 - $ 17.19
$ 17.19

Foster 3003GS, 1/4" Industrial Coupler x 1/4" Female NPT, 3 Series, Automatic Slim Profile, Steel

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

View full details
$ 21.49
$ 21.49 - $ 21.49
$ 21.49
$ 17.19
$ 17.19 - $ 17.19
$ 17.19
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 %
$ 23.49
$ 23.49 - $ 23.49
$ 23.49
$ 18.79
$ 18.79 - $ 18.79
$ 18.79

Foster 3003GB, 1/4" Industrial Coupler x 1/4" Female NPT, 3 Series, Automatic Slim Profile, Brass

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

View full details
$ 23.49
$ 23.49 - $ 23.49
$ 23.49
$ 18.79
$ 18.79 - $ 18.79
$ 18.79
Save 20% Save %

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