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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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$ 17.79 - $ 17.79
$ 17.79
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$ 17.79

ZSI-Foster FST Series - 1/2" Straight-Thru Coupler, Socket, 50MS

ZSI-Foster FST Series - 1/2" Straight-Thru Coupler, Socket, 50MS 2200PSIG W/ Brass plug Buna-N seals Standard Industrial Interchange  Straight Thr...

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ZSI-Foster FST Series - 3/4" Straight-Thru Coupler, Socket, 75MS

ZSI-Foster FST Series - 3/4" Straight-Thru Coupler, Socket, 75MS 1700PSIG W/ Brass plug Buna-N seals Standard Industrial Interchange  Straight Thr...

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$ 47.19 - $ 47.19
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ZSI-Foster FST Series - 1" Straight-Thru Coupler, Socket, 100MS

ZSI-Foster FST Series - 1" Straight-Thru Coupler, Socket, 100MS 1200PSIG W/ Brass plug Buna-N seals Standard Industrial Interchange  Straight Thru...

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ZSI-Foster FST Series - 1/4" Straight-Thru Coupler, Socket, 25FS

ZSI-Foster FST Series - 1/4" Straight-Thru Coupler, Socket, 25MS 2500PSIG W/ Brass plug Buna-N seals Standard Industrial Interchange  Straight Thr...

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ZSI-Foster FST Series - 1" Straight-Thru Plug, 100FP

ZSI-Foster FST Series - 1" Straight-Thru Plug, 100FP 2000PSIG W/ Brass socket Standard Industrial Interchange  Straight Thru (No valve in either t...

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ZSI-Foster FST Series - 3/8" Straight-Thru Plug, 38FPB

ZSI-Foster FST Series - 3/8" Straight-Thru Plug, 38FPB 5500PSIG W/ Brass socket Standard Industrial Interchange  Straight Thru (No valve in either...

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ZSI-Foster FST Series - 3/4" Straight-Thru Plug, 75FPB

ZSI-Foster FST Series - 3/4" Straight-Thru Plug, 75FPB 5500PSIG W/ Brass socket Standard Industrial Interchange  Straight Thru (No valve in either...

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Copy of ZSI-Foster FST Series - 3/4" Straight-Thru Coupler, Plug, Barbed, 75HPB

ZSI-Foster FST Series - 3/4" Straight-Thru Coupler, Plug, Barbed, 75HPB Straight Thru (No valve in either the socket or plug) Brass FST Series

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ZSI-Foster FST Series - 1/2" Straight-Thru Coupler, Plug, Barbed, 50HS

ZSI-Foster FST Series - 3/8" Straight-Thru Coupler, Plug, 50HS Straight Thru (No valve in either the socket or plug) Brass FST Series 

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$ 10.59
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$ 7.41
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$ 7.41

Foster SHD54, SHD 1/2" Series, Schrader Plug, 1/2" Male NPT, Steel

Series: SHD 1/2" Part Number: SHD54 Interchange: Schrader 1/2", Twist Lock 1/2" Body: 1/2" Plug Thread: 1/2" Male NPT, MPT Material: Heavy-...

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$ 36.69
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$ 25.68
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Foster SHD5305, SHD 1/2" Series, Schrader Coupler, Automatic 1/2" Male NPT

Series: SHD 1/2" Part Number: SHD5305 Interchange: Schrader 1/2", Twist Lock 1/2" Body: 1/2" Plug Thread: 1/2" Male NPT, MPT Material: Heav...

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$ 36.69
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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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$ 22.39
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$ 17.89
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Breco B-2BF1-B, 1/4" Industrial Coupler x 1/8" Female NPT, 3 Series, Automatic, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Breco B-2BF1-B is a Brass 1/4" industrial coupler from the Breco 3 Series — the m...

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$ 22.39
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$ 17.89
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$ 28.79
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$ 23.09
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Foster 3603GB, 3 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, 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...

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$ 28.79
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$ 14.89
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$ 11.89
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Foster SG1513, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/4" Push-On Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG1513 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 14.89
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$ 11.89
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$ 21.49
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$ 17.19
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Foster SG2803, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/8" Female NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG2803 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 21.49
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$ 17.19
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$ 17.69
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$ 14.09
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Foster SG2903, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/8" Male NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG2903 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 17.69
$ 14.09
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$ 6.39
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$ 5.09
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Foster 71-4, 4 Series, Industrial Plug, 3/8" Push-On Hose Barb, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 71-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

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$ 14.49
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$ 11.59
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Foster 60-5G, 5 Series, Industrial Plug, Ball Check, 1/2" Hose Barb, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 60-5G is a Steel 1/2" industrial plug from the Foster 5 Series —...

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$ 15.99
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$ 12.79
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Foster 1513, 3 Series, Industrial Coupler, Manual, 1/4" Hose Barb (Push-On), Brass, Steel

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

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$ 15.99
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$ 12.79
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$ 17.09
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$ 13.69
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Foster 3653, 3 Series, Industrial Coupler, Manual, 5/16" Hose Barb, Brass, Steel

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

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$ 17.09
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$ 6.99
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$ 5.59
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Foster 49-4, 4 Series, Industrial Plug, 1/2" Hose Barb, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 49-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

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$ 6.99
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$ 25.19
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$ 20.09
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Foster 4304, 4 Series, Industrial Coupler, Manual, 3/8" Male NPT, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4304 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 31.79
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$ 25.39
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Foster FM4604, 4 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4604 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 31.79
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$ 44.99
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$ 35.99
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Foster 3103S/S, 3 Series, Industrial Coupler, Manual, 1/4" Male NPT, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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$ 44.99
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$ 35.99
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$ 35.99
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