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  • Original price $ 34.09
    Original price $ 34.09 - Original price $ 34.09
    Original price $ 34.09
    Current price $ 27.29
    $ 27.29 - $ 27.29
    Current price $ 27.29

    Foster 4015, 1/2" Industrial Coupler x 1/4" Female NPT, 5 Series, Brass/Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 4015 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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    Original price $ 34.09
    Original price $ 34.09 - Original price $ 34.09
    Original price $ 34.09
    Current price $ 27.29
    $ 27.29 - $ 27.29
    Current price $ 27.29
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  • Original price $ 34.09
    Original price $ 34.09 - Original price $ 34.09
    Original price $ 34.09
    Current price $ 27.29
    $ 27.29 - $ 27.29
    Current price $ 27.29

    Foster 4015, 5 Series, Industrial Coupler, Automatic, 1/2" Female NPT, Brass, Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 4015 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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    Original price $ 34.09
    Original price $ 34.09 - Original price $ 34.09
    Original price $ 34.09
    Current price $ 27.29
    $ 27.29 - $ 27.29
    Current price $ 27.29
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  • Original price $ 20.09
    Original price $ 20.09 - Original price $ 20.09
    Original price $ 20.09
    Current price $ 16.09
    $ 16.09 - $ 16.09
    Current price $ 16.09

    Foster 40S-4, 3/8" Industrial Plug x 1/4" Male NPT, 4 Series, Free Swivel, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 40S-4 is a Brass/Steel 3/8" industrial plug from the Foster 4 Series — a h...

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    Original price $ 20.09
    Original price $ 20.09 - Original price $ 20.09
    Original price $ 20.09
    Current price $ 16.09
    $ 16.09 - $ 16.09
    Current price $ 16.09
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  • Original price $ 24.09
    Original price $ 24.09 - Original price $ 24.09
    Original price $ 24.09
    Current price $ 19.29
    $ 19.29 - $ 19.29
    Current price $ 19.29

    Foster 4104, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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    Original price $ 24.09
    Original price $ 24.09 - Original price $ 24.09
    Original price $ 24.09
    Current price $ 19.29
    $ 19.29 - $ 19.29
    Current price $ 19.29
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  • Original price $ 24.09
    Original price $ 24.09 - Original price $ 24.09
    Original price $ 24.09
    Current price $ 19.29
    $ 19.29 - $ 19.29
    Current price $ 19.29

    Foster 4104, 4 Series, Industrial Coupler, Manual, 1/4" Male NPT, Brass, Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 24.09
    Original price $ 24.09 - Original price $ 24.09
    Original price $ 24.09
    Current price $ 19.29
    $ 19.29 - $ 19.29
    Current price $ 19.29
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  • Original price $ 27.89
    Original price $ 27.89 - Original price $ 27.89
    Original price $ 27.89
    Current price $ 22.29
    $ 22.29 - $ 22.29
    Current price $ 22.29

    Foster 4104H, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Heat/Viton, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104H is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

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    Original price $ 27.89
    Original price $ 27.89 - Original price $ 27.89
    Original price $ 27.89
    Current price $ 22.29
    $ 22.29 - $ 22.29
    Current price $ 22.29
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  • Original price $ 24.19
    Original price $ 24.19 - Original price $ 24.19
    Original price $ 24.19
    Current price $ 19.39
    $ 19.39 - $ 19.39
    Current price $ 19.39

    Foster 4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 24.19
    Original price $ 24.19 - Original price $ 24.19
    Original price $ 24.19
    Current price $ 19.39
    $ 19.39 - $ 19.39
    Current price $ 19.39
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  • Original price $ 24.19
    Original price $ 24.19 - Original price $ 24.19
    Original price $ 24.19
    Current price $ 19.39
    $ 19.39 - $ 19.39
    Current price $ 19.39

    Foster 4204, 4 Series, Industrial Coupler, Manual, 3/8" Female NPT, Brass, Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 24.19
    Original price $ 24.19 - Original price $ 24.19
    Original price $ 24.19
    Current price $ 19.39
    $ 19.39 - $ 19.39
    Current price $ 19.39
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  • Original price $ 29.09
    Original price $ 29.09 - Original price $ 29.09
    Original price $ 29.09
    Current price $ 23.29
    $ 23.29 - $ 23.29
    Current price $ 23.29

    Foster 4204H, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Heat/Viton, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204H is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

    View full details
    Original price $ 29.09
    Original price $ 29.09 - Original price $ 29.09
    Original price $ 29.09
    Current price $ 23.29
    $ 23.29 - $ 23.29
    Current price $ 23.29
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  • Original price $ 12.99
    Original price $ 12.99 - Original price $ 12.99
    Original price $ 12.99
    Current price $ 10.39
    $ 10.39 - $ 10.39
    Current price $ 10.39

    Foster 42S-4, 3/8" Industrial Plug x 3/8" Male NPT, 4 Series, Free Swivel, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 42S-4 is a Brass/Steel 3/8" industrial plug from the Foster 4 Series — a h...

    View full details
    Original price $ 12.99
    Original price $ 12.99 - Original price $ 12.99
    Original price $ 12.99
    Current price $ 10.39
    $ 10.39 - $ 10.39
    Current price $ 10.39
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  • Original price $ 25.19
    Original price $ 25.19 - Original price $ 25.19
    Original price $ 25.19
    Current price $ 20.09
    $ 20.09 - $ 20.09
    Current price $ 20.09

    Foster 4304, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Brass/Steel

    In stock

    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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    Original price $ 25.19
    Original price $ 25.19 - Original price $ 25.19
    Original price $ 25.19
    Current price $ 20.09
    $ 20.09 - $ 20.09
    Current price $ 20.09
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  • Original price $ 25.19
    Original price $ 25.19 - Original price $ 25.19
    Original price $ 25.19
    Current price $ 20.09
    $ 20.09 - $ 20.09
    Current price $ 20.09

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

    In stock

    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...

    View full details
    Original price $ 25.19
    Original price $ 25.19 - Original price $ 25.19
    Original price $ 25.19
    Current price $ 20.09
    $ 20.09 - $ 20.09
    Current price $ 20.09
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  • Original price $ 27.99
    Original price $ 27.99 - Original price $ 27.99
    Original price $ 27.99
    Current price $ 22.39
    $ 22.39 - $ 22.39
    Current price $ 22.39

    Foster 4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4404 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 27.99
    Original price $ 27.99 - Original price $ 27.99
    Original price $ 27.99
    Current price $ 22.39
    $ 22.39 - $ 22.39
    Current price $ 22.39
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  • Original price $ 27.99
    Original price $ 27.99 - Original price $ 27.99
    Original price $ 27.99
    Current price $ 22.39
    $ 22.39 - $ 22.39
    Current price $ 22.39

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

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4404 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 27.99
    Original price $ 27.99 - Original price $ 27.99
    Original price $ 27.99
    Current price $ 22.39
    $ 22.39 - $ 22.39
    Current price $ 22.39
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  • Original price $ 17.19
    Original price $ 17.19 - Original price $ 17.19
    Original price $ 17.19
    Current price $ 13.69
    $ 13.69 - $ 13.69
    Current price $ 13.69

    Foster 44S-4, 3/8" Industrial Plug x 1/2" Male NPT, 4 Series, Free Swivel, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 44S-4 is a Brass/Steel 3/8" industrial plug from the Foster 4 Series — a h...

    View full details
    Original price $ 17.19
    Original price $ 17.19 - Original price $ 17.19
    Original price $ 17.19
    Current price $ 13.69
    $ 13.69 - $ 13.69
    Current price $ 13.69
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  • Original price $ 27.99
    Original price $ 27.99 - Original price $ 27.99
    Original price $ 27.99
    Current price $ 22.39
    $ 22.39 - $ 22.39
    Current price $ 22.39

    Foster 4504, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Brass/Steel

    In stock

    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...

    View full details
    Original price $ 27.99
    Original price $ 27.99 - Original price $ 27.99
    Original price $ 27.99
    Current price $ 22.39
    $ 22.39 - $ 22.39
    Current price $ 22.39
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  • Original price $ 27.99
    Original price $ 27.99 - Original price $ 27.99
    Original price $ 27.99
    Current price $ 22.39
    $ 22.39 - $ 22.39
    Current price $ 22.39

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

    In stock

    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...

    View full details
    Original price $ 27.99
    Original price $ 27.99 - Original price $ 27.99
    Original price $ 27.99
    Current price $ 22.39
    $ 22.39 - $ 22.39
    Current price $ 22.39
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  • Original price $ 32.99
    Original price $ 32.99 - Original price $ 32.99
    Original price $ 32.99
    Current price $ 26.39
    $ 26.39 - $ 26.39
    Current price $ 26.39

    Foster 4504H, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Heat/Viton, Brass/Steel

    In stock

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

    View full details
    Original price $ 32.99
    Original price $ 32.99 - Original price $ 32.99
    Original price $ 32.99
    Current price $ 26.39
    $ 26.39 - $ 26.39
    Current price $ 26.39
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  • Original price $ 27.39
    Original price $ 27.39 - Original price $ 27.39
    Original price $ 27.39
    Current price $ 21.89
    $ 21.89 - $ 21.89
    Current price $ 21.89

    Foster 4604, 3/8" Industrial Coupler x 1/4" Hose ID, 4 Series, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4604 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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    Original price $ 27.39
    Original price $ 27.39 - Original price $ 27.39
    Original price $ 27.39
    Current price $ 21.89
    $ 21.89 - $ 21.89
    Current price $ 21.89
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  • Original price $ 27.39
    Original price $ 27.39 - Original price $ 27.39
    Original price $ 27.39
    Current price $ 21.89
    $ 21.89 - $ 21.89
    Current price $ 21.89

    Foster 4604, 4 Series, Industrial Coupler, Manual, 1/4" Hose Barb, Brass, Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4604 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 27.39
    Original price $ 27.39 - Original price $ 27.39
    Original price $ 27.39
    Current price $ 21.89
    $ 21.89 - $ 21.89
    Current price $ 21.89
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  • Original price $ 28.79
    Original price $ 28.79 - Original price $ 28.79
    Original price $ 28.79
    Current price $ 22.99
    $ 22.99 - $ 22.99
    Current price $ 22.99

    Foster 4704, 3/8" Industrial Coupler x 5/16" Hose ID, 4 Series, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4704 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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    Original price $ 28.79
    Original price $ 28.79 - Original price $ 28.79
    Original price $ 28.79
    Current price $ 22.99
    $ 22.99 - $ 22.99
    Current price $ 22.99
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  • Original price $ 28.79
    Original price $ 28.79 - Original price $ 28.79
    Original price $ 28.79
    Current price $ 22.99
    $ 22.99 - $ 22.99
    Current price $ 22.99

    Foster 4704, 4 Series, Industrial Coupler, Manual, 5/16" Hose Barb, Brass, Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4704 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 28.79
    Original price $ 28.79 - Original price $ 28.79
    Original price $ 28.79
    Current price $ 22.99
    $ 22.99 - $ 22.99
    Current price $ 22.99
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  • Original price $ 28.19
    Original price $ 28.19 - Original price $ 28.19
    Original price $ 28.19
    Current price $ 22.59
    $ 22.59 - $ 22.59
    Current price $ 22.59

    Foster 4804, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4804 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 28.19
    Original price $ 28.19 - Original price $ 28.19
    Original price $ 28.19
    Current price $ 22.59
    $ 22.59 - $ 22.59
    Current price $ 22.59
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  • Original price $ 28.19
    Original price $ 28.19 - Original price $ 28.19
    Original price $ 28.19
    Current price $ 22.59
    $ 22.59 - $ 22.59
    Current price $ 22.59

    Foster 4804, 4 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Brass, Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4804 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 28.19
    Original price $ 28.19 - Original price $ 28.19
    Original price $ 28.19
    Current price $ 22.59
    $ 22.59 - $ 22.59
    Current price $ 22.59
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