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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 - 4 Series, 3/8" Body Industrial Interchange Pneumatic Couplers and Plugs

ZSI Foster's "4 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 3/8" industrial interchange compatibility means they can be used with fittings from other manufacturers. With their reliability and versatility, the "4 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 FM4404, 4 Series, Industrial Coupler, Automatic, 1/2" Female NPT, Brass

    In stock

    Series: 4 Part Number: FM4404 Interchange: Industrial Body: 3/8" Coupler, Automatic Thread: 1/2" Female NPT, FPT Material: Heavy-Duty Bras...

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    $ 512.00
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    Foster 45-4, 4 Series, Industrial Plug, 1/2" Female NPT, Steel

    In stock

    Series: 4 Part Number: 45-4 Interchange: Industrial Body: 3/8" Plug Thread: 1/2" Female NPT, FPT Material: Heavy-Duty Steel Rated Pressur...

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    $ 164.00
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    $ 122.00
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    $ 86.00
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    Foster 44-4, 4 Series, Industrial Plug, 1/2" Male NPT, Steel

    In stock

    Series: 4 Part Number: 44-4 Interchange: Industrial Body: 3/8" Plug Thread: 1/2" Male NPT, MPT Material: Heavy-Duty Steel Rated Pressure:...

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    Foster 4404, 4 Series, Industrial Coupler, Manual, 1/2" Female NPT, Brass, Steel

    In stock

    Series: 4 Part Number: 4404 Interchange: Industrial, I/M Body: 3/8" Manual Coupler Thread: 1/2" Female NPT, FPT Material: Heavy-Duty Brass...

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    Foster FM4504, 4 Series, Industrial Coupler, Automatic, 1/2" Male NPT, Brass

    In stock

    Series: 4 Part Number: FM4504 Interchange: Industrial Body: 3/8" Coupler, Automatic Thread: 1/2" Male NPT, MPT Material: Heavy-Duty Brass,...

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    $ 505.00
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    $ 505.00
    $ 354.00
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    $ 443.00
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    $ 310.00
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    $ 310.00

    Foster 4504, 4 Series, Industrial Coupler, Manual, 1/2" Male NPT, Brass, Steel

    In stock

    Series: 4 Part Number: 4504 Interchange: Industrial, I/M Body: 3/8" Manual Coupler Thread: 1/2" Male NPT, MPT Material: Heavy-Duty Brass, ...

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    $ 443.00
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    $ 443.00
    $ 310.00
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    $ 310.00
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