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  • Original price $ 21.59
    Original price $ 21.59 - Original price $ 21.59
    Original price $ 21.59
    Current price $ 17.29
    $ 17.29 - $ 17.29
    Current price $ 17.29

    Foster 3103GS, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Automatic Slim Profile, Steel

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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    Original price $ 21.59
    Original price $ 21.59 - Original price $ 21.59
    Original price $ 21.59
    Current price $ 17.29
    $ 17.29 - $ 17.29
    Current price $ 17.29
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  • Original price $ 21.59
    Original price $ 21.59 - Original price $ 21.59
    Original price $ 21.59
    Current price $ 17.29
    $ 17.29 - $ 17.29
    Current price $ 17.29

    Foster 3103GS, 3 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass, Steel

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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    Original price $ 21.59
    Original price $ 21.59 - Original price $ 21.59
    Original price $ 21.59
    Current price $ 17.29
    $ 17.29 - $ 17.29
    Current price $ 17.29
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  • Original price $ 15.19
    Original price $ 15.19 - Original price $ 15.19
    Original price $ 15.19
    Current price $ 12.19
    $ 12.19 - $ 12.19
    Current price $ 12.19

    Foster 3103H, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Heat/Viton, Brass/Steel

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103H is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — ...

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    Original price $ 15.19
    Original price $ 15.19 - Original price $ 15.19
    Original price $ 15.19
    Current price $ 12.19
    $ 12.19 - $ 12.19
    Current price $ 12.19
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  • Original price $ 12.89
    Original price $ 12.89 - Original price $ 12.89
    Original price $ 12.89
    Current price $ 10.29
    $ 10.29 - $ 10.29
    Current price $ 10.29

    Foster 3103LV, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Less Valve, Brass/Steel

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103LV is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series —...

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    Original price $ 12.89
    Original price $ 12.89 - Original price $ 12.89
    Original price $ 12.89
    Current price $ 10.29
    $ 10.29 - $ 10.29
    Current price $ 10.29
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  • Original price $ 17.29
    Original price $ 17.29 - Original price $ 17.29
    Original price $ 17.29
    Current price $ 13.89
    $ 13.89 - $ 13.89
    Current price $ 13.89

    Foster 3103S, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Steam/EPDM, Brass/SS

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103S is a Brass/SS 1/4" industrial coupler from the Foster 3 Series — the...

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    Original price $ 17.29
    Original price $ 17.29 - Original price $ 17.29
    Original price $ 17.29
    Current price $ 13.89
    $ 13.89 - $ 13.89
    Current price $ 13.89
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  • Original price $ 44.99
    Original price $ 44.99 - Original price $ 44.99
    Original price $ 44.99
    Current price $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99

    Foster 3103S/S, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, 303 Stainless

    In stock

    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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    Original price $ 44.99
    Original price $ 44.99 - Original price $ 44.99
    Original price $ 44.99
    Current price $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99
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  • Original price $ 44.99
    Original price $ 44.99 - Original price $ 44.99
    Original price $ 44.99
    Current price $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99

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

    In stock

    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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    Original price $ 44.99
    Original price $ 44.99 - Original price $ 44.99
    Original price $ 44.99
    Current price $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99
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  • Original price $ 47.59
    Original price $ 47.59 - Original price $ 47.59
    Original price $ 47.59
    Current price $ 38.09
    $ 38.09 - $ 38.09
    Current price $ 38.09

    Foster 3103S/SH, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Heat/Viton, 303 Stainless

    In stock

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

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    Original price $ 47.59
    Original price $ 47.59 - Original price $ 47.59
    Original price $ 47.59
    Current price $ 38.09
    $ 38.09 - $ 38.09
    Current price $ 38.09
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  • Original price $ 45.29
    Original price $ 45.29 - Original price $ 45.29
    Original price $ 45.29
    Current price $ 36.29
    $ 36.29 - $ 36.29
    Current price $ 36.29

    Foster 3103S/SLV, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Less Valve, 303 Stainless

    In stock

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

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    Original price $ 45.29
    Original price $ 45.29 - Original price $ 45.29
    Original price $ 45.29
    Current price $ 36.29
    $ 36.29 - $ 36.29
    Current price $ 36.29
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  • Original price $ 17.49
    Original price $ 17.49 - Original price $ 17.49
    Original price $ 17.49
    Current price $ 13.99
    $ 13.99 - $ 13.99
    Current price $ 13.99

    Foster 3103W, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Water, Brass/SS

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103W is a Brass/SS 1/4" industrial coupler from the Foster 3 Series — the...

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    Original price $ 17.49
    Original price $ 17.49 - Original price $ 17.49
    Original price $ 17.49
    Current price $ 13.99
    $ 13.99 - $ 13.99
    Current price $ 13.99
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  • Original price $ 40.59
    Original price $ 40.59 - Original price $ 40.59
    Original price $ 40.59
    Current price $ 32.49
    $ 32.49 - $ 32.49
    Current price $ 32.49

    Foster 310M-4004, 3/8" ARO Coupler x 1/4" Female NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4004 is a brass and steel 3/8" coupler from ...

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    Original price $ 40.59
    Original price $ 40.59 - Original price $ 40.59
    Original price $ 40.59
    Current price $ 32.49
    $ 32.49 - $ 32.49
    Current price $ 32.49
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  • Original price $ 42.19
    Original price $ 42.19 - Original price $ 42.19
    Original price $ 42.19
    Current price $ 33.69
    $ 33.69 - $ 33.69
    Current price $ 33.69

    Foster 310M-4104, 3/8" ARO Coupler x 1/4" Male NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4104 is a brass and steel 3/8" coupler from ...

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    Original price $ 42.19
    Original price $ 42.19 - Original price $ 42.19
    Original price $ 42.19
    Current price $ 33.69
    $ 33.69 - $ 33.69
    Current price $ 33.69
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  • Original price $ 39.49
    Original price $ 39.49 - Original price $ 39.49
    Original price $ 39.49
    Current price $ 31.59
    $ 31.59 - $ 31.59
    Current price $ 31.59

    Foster 310M-4204, 3/8" ARO Coupler x 3/8" Female NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4204 is a brass and steel 3/8" coupler from ...

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    Original price $ 39.49
    Original price $ 39.49 - Original price $ 39.49
    Original price $ 39.49
    Current price $ 31.59
    $ 31.59 - $ 31.59
    Current price $ 31.59
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  • Original price $ 41.79
    Original price $ 41.79 - Original price $ 41.79
    Original price $ 41.79
    Current price $ 33.39
    $ 33.39 - $ 33.39
    Current price $ 33.39

    Foster 310M-4204NP, 3/8" ARO Coupler x 3/8" Female NPT, 310 Series, Manual, Nickel-Plated Brass/Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4204NP is a nickel-plated brass/steel 3/8" c...

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    Original price $ 41.79
    Original price $ 41.79 - Original price $ 41.79
    Original price $ 41.79
    Current price $ 33.39
    $ 33.39 - $ 33.39
    Current price $ 33.39
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  • Original price $ 32.29
    Original price $ 32.29 - Original price $ 32.29
    Original price $ 32.29
    Current price $ 25.79
    $ 25.79 - $ 25.79
    Current price $ 25.79

    Foster 310M-4304, 3/8" ARO Coupler x 3/8" Male NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4304 is a brass and steel 3/8" coupler from ...

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    Original price $ 32.29
    Original price $ 32.29 - Original price $ 32.29
    Original price $ 32.29
    Current price $ 25.79
    $ 25.79 - $ 25.79
    Current price $ 25.79
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  • Original price $ 48.99
    Original price $ 48.99 - Original price $ 48.99
    Original price $ 48.99
    Current price $ 39.19
    $ 39.19 - $ 39.19
    Current price $ 39.19

    Foster 310M-4304NP, 3/8" ARO Coupler x 3/8" Male NPT, 310 Series, Manual, Nickel-Plated Brass/Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4304NP is a nickel-plated brass/steel 3/8" c...

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    Original price $ 48.99
    Original price $ 48.99 - Original price $ 48.99
    Original price $ 48.99
    Current price $ 39.19
    $ 39.19 - $ 39.19
    Current price $ 39.19
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  • Original price $ 41.79
    Original price $ 41.79 - Original price $ 41.79
    Original price $ 41.79
    Current price $ 33.39
    $ 33.39 - $ 33.39
    Current price $ 33.39

    Foster 310M-4404, 3/8" ARO Coupler x 1/2" Female NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4404 is a brass and steel 3/8" coupler from ...

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    Original price $ 41.79
    Original price $ 41.79 - Original price $ 41.79
    Original price $ 41.79
    Current price $ 33.39
    $ 33.39 - $ 33.39
    Current price $ 33.39
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  • Original price $ 40.39
    Original price $ 40.39 - Original price $ 40.39
    Original price $ 40.39
    Current price $ 32.29
    $ 32.29 - $ 32.29
    Current price $ 32.29

    Foster 310M-4504, 3/8" ARO Coupler x 1/2" Male NPT, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4504 is a brass and steel 3/8" coupler from ...

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    Original price $ 40.39
    Original price $ 40.39 - Original price $ 40.39
    Original price $ 40.39
    Current price $ 32.29
    $ 32.29 - $ 32.29
    Current price $ 32.29
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  • Original price $ 38.99
    Original price $ 38.99 - Original price $ 38.99
    Original price $ 38.99
    Current price $ 31.19
    $ 31.19 - $ 31.19
    Current price $ 31.19

    Foster 310M-4704, 3/8" ARO Coupler x 5/16" Hose ID, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4704 is a brass and steel 3/8" coupler from ...

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    Original price $ 38.99
    Original price $ 38.99 - Original price $ 38.99
    Original price $ 38.99
    Current price $ 31.19
    $ 31.19 - $ 31.19
    Current price $ 31.19
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  • Original price $ 32.29
    Original price $ 32.29 - Original price $ 32.29
    Original price $ 32.29
    Current price $ 25.89
    $ 25.89 - $ 25.89
    Current price $ 25.89

    Foster 310M-4804, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4804 is a brass and steel 3/8" coupler from ...

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    Original price $ 32.29
    Original price $ 32.29 - Original price $ 32.29
    Original price $ 32.29
    Current price $ 25.89
    $ 25.89 - $ 25.89
    Current price $ 25.89
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  • Original price $ 44.99
    Original price $ 44.99 - Original price $ 44.99
    Original price $ 44.99
    Current price $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99

    Foster 310M-4804NP, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Manual, Nickel-Plated Brass/Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4804NP is a nickel-plated brass/steel 3/8" c...

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    Original price $ 44.99
    Original price $ 44.99 - Original price $ 44.99
    Original price $ 44.99
    Current price $ 35.99
    $ 35.99 - $ 35.99
    Current price $ 35.99
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  • Original price $ 45.39
    Original price $ 45.39 - Original price $ 45.39
    Original price $ 45.39
    Current price $ 36.29
    $ 36.29 - $ 36.29
    Current price $ 36.29

    Foster 310M-4904, 3/8" ARO Coupler x 1/2" Hose ID, 310 Series, Manual, Brass and Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4904 is a brass and steel 3/8" coupler from ...

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    Original price $ 45.39
    Original price $ 45.39 - Original price $ 45.39
    Original price $ 45.39
    Current price $ 36.29
    $ 36.29 - $ 36.29
    Current price $ 36.29
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  • Original price $ 15.19
    Original price $ 15.19 - Original price $ 15.19
    Original price $ 15.19
    Current price $ 12.19
    $ 12.19 - $ 12.19
    Current price $ 12.19

    Foster 3203, 1/4" Industrial Coupler x 3/8" Female NPT, 3 Series, Brass/Steel

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3203 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — t...

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    Original price $ 15.19
    Original price $ 15.19 - Original price $ 15.19
    Original price $ 15.19
    Current price $ 12.19
    $ 12.19 - $ 12.19
    Current price $ 12.19
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  • Original price $ 15.19
    Original price $ 15.19 - Original price $ 15.19
    Original price $ 15.19
    Current price $ 12.19
    $ 12.19 - $ 12.19
    Current price $ 12.19

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

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3203 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — t...

    View full details
    Original price $ 15.19
    Original price $ 15.19 - Original price $ 15.19
    Original price $ 15.19
    Current price $ 12.19
    $ 12.19 - $ 12.19
    Current price $ 12.19
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