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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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$ 12.79
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Foster 53-5, 5 Series, Industrial Plug, 3/8" Female NPT, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 53-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 12.79
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$ 12.79
$ 10.19
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$ 30.49
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$ 24.39

Foster 5205, 5 Series, Industrial Coupler, Automatic, 1/2" Female NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5205 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 4.99
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Foster 12-3B, 3 Series, Industrial Plug, 1/8" Male NPT, Brass

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

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$ 4.99
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$ 26.69
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Foster 3103GB, 3 Series, Industrial Coupler, Automatic, 1/4" Male NPT, 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...

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$ 26.69
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$ 29.69
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Foster 3703GB, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, 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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$ 27.99
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Foster 4504, 4 Series, Industrial Coupler, Manual, 1/2" Male NPT, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4504 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 31.69
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Foster 5105, 5 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5105 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 31.69
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$ 15.89
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Foster 52-5B, 5 Series, Industrial Plug, 3/8" Male NPT, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 52-5B is a Brass 1/2" industrial plug from the Foster 5 Series —...

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$ 15.89
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$ 10.69
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Foster 59-5, 5 Series, Industrial Plug, 3/8" Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 59-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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Foster 81-5, 5 Series, Industrial Plug, 1/2" Hose Barb, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 81-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 48.49
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$ 38.79

Foster SL5205, 5 Series, Industrial Coupler, Automatic, 1/2" Female NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SL5205 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 48.49
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$ 48.49
$ 38.79
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$ 38.79
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$ 18.79
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Foster 65-6, 6 Series, Industrial Plug, 1/2" Female NPT, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 65-6 is a Steel 3/4" industrial plug from the Foster 6 Series — ...

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$ 69.89
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FM6706, 6 Series, Industrial Coupler, Automatic, 1" Male NPT, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM6706 is a Brass 3/4" industrial coupler from the Foster 6 Seri...

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 17.29
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$ 13.89
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Foster 10-3DB, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, Dill Valve, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10-3DB is a Brass 1/4" industrial plug from the Foster 3 Series — the most...

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$ 17.29
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 19.79
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$ 15.89
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Foster SB3-3, 1/4" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 3 Series, Brass/Steel

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

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$ 6.15
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Reusable Hose Barb - 1/4" Body Plug X 3/8" ID - 11/16" OD Air Fittings

Reusable Hose Barb - 1/4" Body Plug X 3/8" ID - 11/16" OD Air Fittings

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Foster 2BS/S - (Thread Only) Reusable Hose Barb - 1/4" NPT - 1/4" ID X 5/8" OD hose - Air Hose Fittings

Foster Brand1ea - 2B7S/S ( 1/4" Male NPT for 1/4"ID X 5/8"OD hose)

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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 13.59
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$ 10.89
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Breco HBM-8-6, 1" ID Hose Barb x 3/4" MNPT, Brass Hose Barb Fitting

Connect a hose to a male NPT thread with the Breco HBM-8-6 brass hose barb fitting. The barbed stem grips 1" ID hose, while the 3/4" MNPT end threa...

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$ 13.59
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$ 10.89
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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 5.09
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Breco HBM-5-1, 5/16" ID Hose Barb x 1/8" MNPT, Brass Hose Barb Fitting

Connect a hose to a male NPT thread with the Breco HBM-5-1 brass hose barb fitting. The barbed stem grips 5/16" ID hose, while the 1/8" MNPT end th...

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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 4.09
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$ 4.09
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Breco HBM-1-1, 1/8" ID Hose Barb x 1/8" MNPT, Brass Hose Barb Fitting

Connect a hose to a male NPT thread with the Breco HBM-1-1 brass hose barb fitting. The barbed stem grips 1/8" ID hose, while the 1/8" MNPT end thr...

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 20.69
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Foster 6P13, 1/2" Hose x 1/2" Male NPT Reusable Hose Fitting, 13/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/2" male NPT — no crimping needed. The Foster 6P13 accepts 1/2" ID hose (13/1...

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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Foster 2B5, 1/4" Hose x 1/4" Male NPT Reusable Hose Fitting, 9/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2B5 accepts 1/4" ID hose (9/16"...

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 10.09
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Foster 2B3, 1/4" Hose x 1/4" Male NPT Reusable Hose Fitting, 1/2" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2B3 accepts 1/4" ID hose (1/2" ...

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 10.39
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$ 8.29
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Foster A-11, 1/4" Acetylene Plug x 1/4" Female NPT, A70 Series (Hansen 700), Brass

Brass quick couplers for acetylene and gas service. The Foster A-11 is a 1/4" plug from the A70 Series, which interchanges with Hansen 700 couplers...

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