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🍁 Fall Savings Are Here – Get Up to 30% Off Select Fittings & Hose!
🍁 Fall Savings Are Here – Get Up to 30% Off Select Fittings & Hose!

ZSI Foster - 3 Series, 1/4" Body Industrial Interchange Pneumatic Couplers and Plugs

ZSI Foster's "3 Series" pneumatic fittings are the perfect solution for your industrial and manufacturing needs, including construction and repair shops. Made of durable brass or steel, these fittings are designed to connect flexible tubing such as polyurethane and nylon in various sizes. The quick-connect design allows for easy attachment and detachment from your pneumatic system, while their 1/4" industrial interchange compatibility means they can be used with fittings from other manufacturers. With their reliability and versatility, the "3 Series" fittings are a top choice for a wide range of pneumatic applications in construction and repair shops. Trust ZSI Foster to deliver high-quality fittings that get the job done right.
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    Foster 3303S/S, 3 Series, Industrial Coupler, Manual, 3/8" Male NPT, Stainless Steel

    In stock

    Series: 3 Part Number: 3303S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Male NPT, MPT Material: 303 Stainless ...

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    Foster 3003S/S, 3 Series, Industrial Coupler, Manual, 1/4" Female NPT, Stainless Steel

    In stock

    Series: 3 Part Number: 3003S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Female NPT, FPT Material: Heavy-Duty S...

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

    In stock

    Series: 3 Part Number: 3603S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Hose Barb Material: 303 Stainless Stee...

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

    In stock

    Series: 3 Part Number: 12-3S/S Interchange: Industrial Body: 1/4" Plug Thread: 1/8" Male NPT, MPT Material: 303 Stainless Steel Rated Pr...

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    Foster 3703S/S, 3 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Stainless Steel

    In stock

    Series: 3 Part Number: 3703S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Hose Barb Material: Stainless Steel ...

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    Foster 3203S/S, 3 Series, Industrial Coupler, Manual, 3/8" Female NPT, Stainless Steel

    In stock

    Series: 3 Part Number: 3203S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Female NPT, FPT Material: 303 Stainles...

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    Foster 17-3S/S, 3 Series, Industrial Plug, 3/8" Hose Barb, Stainless Steel

    In stock

    Series: 3 Part Number: 17-3S/S Interchange: Industrial Body: 1/4" Plug Thread: 3/8" Hose Barb Material: 303 Stainless Steel Rated Press...

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