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  • Original price $ 35.59
    Original price $ 35.59 - Original price $ 35.59
    Original price $ 35.59
    Current price $ 28.49
    $ 28.49 - $ 28.49
    Current price $ 28.49

    Foster FM4104W, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Automatic, Water, Brass/SS

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4104W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...

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    Original price $ 35.59
    Original price $ 35.59 - Original price $ 35.59
    Original price $ 35.59
    Current price $ 28.49
    $ 28.49 - $ 28.49
    Current price $ 28.49
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  • Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59

    Foster FM4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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    Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59
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  • Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59

    Foster FM4204, 4 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59
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  • Original price $ 32.69
    Original price $ 32.69 - Original price $ 32.69
    Original price $ 32.69
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19

    Foster FM4204H, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Heat/Viton, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204H is a Brass 3/8" industrial coupler from the Foster 4 Series — a hi...

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    Original price $ 32.69
    Original price $ 32.69 - Original price $ 32.69
    Original price $ 32.69
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19
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  • Original price $ 37.69
    Original price $ 37.69 - Original price $ 37.69
    Original price $ 37.69
    Current price $ 30.09
    $ 30.09 - $ 30.09
    Current price $ 30.09

    Foster FM4204W, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Water, Brass/SS

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...

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    Original price $ 37.69
    Original price $ 37.69 - Original price $ 37.69
    Original price $ 37.69
    Current price $ 30.09
    $ 30.09 - $ 30.09
    Current price $ 30.09
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  • Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59

    Foster FM4303, 4 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4304 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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    Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59
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  • Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59

    Foster FM4304, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4304 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59
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  • Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59

    Foster FM4304, 4 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4304 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 31.99
    Original price $ 31.99 - Original price $ 31.99
    Original price $ 31.99
    Current price $ 25.59
    $ 25.59 - $ 25.59
    Current price $ 25.59
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  • Original price $ 36.89
    Original price $ 36.89 - Original price $ 36.89
    Original price $ 36.89
    Current price $ 29.49
    $ 29.49 - $ 29.49
    Current price $ 29.49

    Foster FM4304S, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic, Steam/EPDM, Brass body, Brass sleeve, SS valve

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4304S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler fr...

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    Original price $ 36.89
    Original price $ 36.89 - Original price $ 36.89
    Original price $ 36.89
    Current price $ 29.49
    $ 29.49 - $ 29.49
    Current price $ 29.49
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  • Original price $ 37.69
    Original price $ 37.69 - Original price $ 37.69
    Original price $ 37.69
    Current price $ 30.09
    $ 30.09 - $ 30.09
    Current price $ 30.09

    Foster FM4304W, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic, Water, Brass/SS

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4304W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 37.69
    Original price $ 37.69 - Original price $ 37.69
    Original price $ 37.69
    Current price $ 30.09
    $ 30.09 - $ 30.09
    Current price $ 30.09
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  • Original price $ 32.79
    Original price $ 32.79 - Original price $ 32.79
    Original price $ 32.79
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19

    Foster FM4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 32.79
    Original price $ 32.79 - Original price $ 32.79
    Original price $ 32.79
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19
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  • Original price $ 32.79
    Original price $ 32.79 - Original price $ 32.79
    Original price $ 32.79
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19

    Foster FM4404, 4 Series, Industrial Coupler, Automatic, 1/2" Female NPT, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 32.79
    Original price $ 32.79 - Original price $ 32.79
    Original price $ 32.79
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19
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  • Original price $ 37.29
    Original price $ 37.29 - Original price $ 37.29
    Original price $ 37.29
    Current price $ 29.79
    $ 29.79 - $ 29.79
    Current price $ 29.79

    Foster FM4404S, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Steam/EPDM, Brass body, Brass sleeve, SS valve

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler fr...

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    Original price $ 37.29
    Original price $ 37.29 - Original price $ 37.29
    Original price $ 37.29
    Current price $ 29.79
    $ 29.79 - $ 29.79
    Current price $ 29.79
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  • Original price $ 38.09
    Original price $ 38.09 - Original price $ 38.09
    Original price $ 38.09
    Current price $ 30.49
    $ 30.49 - $ 30.49
    Current price $ 30.49

    Foster FM4404W, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Water, Brass/SS

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 38.09
    Original price $ 38.09 - Original price $ 38.09
    Original price $ 38.09
    Current price $ 30.49
    $ 30.49 - $ 30.49
    Current price $ 30.49
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  • Original price $ 32.39
    Original price $ 32.39 - Original price $ 32.39
    Original price $ 32.39
    Current price $ 25.89
    $ 25.89 - $ 25.89
    Current price $ 25.89

    Foster FM4504, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Automatic, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4504 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 32.39
    Original price $ 32.39 - Original price $ 32.39
    Original price $ 32.39
    Current price $ 25.89
    $ 25.89 - $ 25.89
    Current price $ 25.89
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  • Original price $ 32.39
    Original price $ 32.39 - Original price $ 32.39
    Original price $ 32.39
    Current price $ 25.89
    $ 25.89 - $ 25.89
    Current price $ 25.89

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

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4504 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 32.39
    Original price $ 32.39 - Original price $ 32.39
    Original price $ 32.39
    Current price $ 25.89
    $ 25.89 - $ 25.89
    Current price $ 25.89
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  • Original price $ 38.69
    Original price $ 38.69 - Original price $ 38.69
    Original price $ 38.69
    Current price $ 30.99
    $ 30.99 - $ 30.99
    Current price $ 30.99

    Foster FM4504S, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Automatic, Steam/EPDM, Brass body, Brass sleeve, SS valve

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4504S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler fr...

    View full details
    Original price $ 38.69
    Original price $ 38.69 - Original price $ 38.69
    Original price $ 38.69
    Current price $ 30.99
    $ 30.99 - $ 30.99
    Current price $ 30.99
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  • Original price $ 36.69
    Original price $ 36.69 - Original price $ 36.69
    Original price $ 36.69
    Current price $ 29.29
    $ 29.29 - $ 29.29
    Current price $ 29.29

    Foster FM4504W, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Automatic, Water, Brass/SS

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4504W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...

    View full details
    Original price $ 36.69
    Original price $ 36.69 - Original price $ 36.69
    Original price $ 36.69
    Current price $ 29.29
    $ 29.29 - $ 29.29
    Current price $ 29.29
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  • Original price $ 31.79
    Original price $ 31.79 - Original price $ 31.79
    Original price $ 31.79
    Current price $ 25.39
    $ 25.39 - $ 25.39
    Current price $ 25.39

    Foster FM4604, 3/8" Industrial Coupler x 1/4" Hose ID, 4 Series, Automatic, Brass

    In stock

    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...

    View full details
    Original price $ 31.79
    Original price $ 31.79 - Original price $ 31.79
    Original price $ 31.79
    Current price $ 25.39
    $ 25.39 - $ 25.39
    Current price $ 25.39
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  • Original price $ 31.79
    Original price $ 31.79 - Original price $ 31.79
    Original price $ 31.79
    Current price $ 25.39
    $ 25.39 - $ 25.39
    Current price $ 25.39

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

    In stock

    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...

    View full details
    Original price $ 31.79
    Original price $ 31.79 - Original price $ 31.79
    Original price $ 31.79
    Current price $ 25.39
    $ 25.39 - $ 25.39
    Current price $ 25.39
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  • Original price $ 32.19
    Original price $ 32.19 - Original price $ 32.19
    Original price $ 32.19
    Current price $ 25.79
    $ 25.79 - $ 25.79
    Current price $ 25.79

    Foster FM4704, 3/8" Industrial Coupler x 5/16" Hose ID, 4 Series, Automatic, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4704 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 32.19
    Original price $ 32.19 - Original price $ 32.19
    Original price $ 32.19
    Current price $ 25.79
    $ 25.79 - $ 25.79
    Current price $ 25.79
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  • Original price $ 32.19
    Original price $ 32.19 - Original price $ 32.19
    Original price $ 32.19
    Current price $ 25.79
    $ 25.79 - $ 25.79
    Current price $ 25.79

    Foster FM4704, 4 Series, Industrial Coupler, Automatic, 5/16" Hose Barb, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4704 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 32.19
    Original price $ 32.19 - Original price $ 32.19
    Original price $ 32.19
    Current price $ 25.79
    $ 25.79 - $ 25.79
    Current price $ 25.79
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  • Original price $ 32.79
    Original price $ 32.79 - Original price $ 32.79
    Original price $ 32.79
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19

    Foster FM4804, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Automatic, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4804 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 32.79
    Original price $ 32.79 - Original price $ 32.79
    Original price $ 32.79
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19
    Save 20% Save %
  • Original price $ 32.79
    Original price $ 32.79 - Original price $ 32.79
    Original price $ 32.79
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19

    Foster FM4804, 4 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4804 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

    View full details
    Original price $ 32.79
    Original price $ 32.79 - Original price $ 32.79
    Original price $ 32.79
    Current price $ 26.19
    $ 26.19 - $ 26.19
    Current price $ 26.19
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