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  • Original price $ 5.79
    Original price $ 5.79 - Original price $ 5.79
    Original price $ 5.79
    Current price $ 4.59
    $ 4.59 - $ 4.59
    Current price $ 4.59

    Foster 15-3, 1/4" Industrial Plug x 3/8" Female NPT, 3 Series, Steel

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 15-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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    Original price $ 5.79
    Original price $ 5.79 - Original price $ 5.79
    Original price $ 5.79
    Current price $ 4.59
    $ 4.59 - $ 4.59
    Current price $ 4.59
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  • Original price $ 5.79
    Original price $ 5.79 - Original price $ 5.79
    Original price $ 5.79
    Current price $ 4.59
    $ 4.59 - $ 4.59
    Current price $ 4.59

    Foster 15-3, 3 Series, Industrial Plug, 3/8" Female NPT, Steel

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 15-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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    Original price $ 5.79
    Original price $ 5.79 - Original price $ 5.79
    Original price $ 5.79
    Current price $ 4.59
    $ 4.59 - $ 4.59
    Current price $ 4.59
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  • Original price $ 16.19
    Original price $ 16.19 - Original price $ 16.19
    Original price $ 16.19
    Current price $ 12.89
    $ 12.89 - $ 12.89
    Current price $ 12.89

    Foster 210-3203, 1/4" ARO Coupler x 3/8" Female NPT, 210 Series, Automatic, Brass and Steel

    In stock

    Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-3203 is a brass and steel 1/4" coupler from t...

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    Original price $ 16.19
    Original price $ 16.19 - Original price $ 16.19
    Original price $ 16.19
    Current price $ 12.89
    $ 12.89 - $ 12.89
    Current price $ 12.89
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  • Original price $ 65.69
    Original price $ 65.69 - Original price $ 65.69
    Original price $ 65.69
    Current price $ 52.49
    $ 52.49 - $ 52.49
    Current price $ 52.49

    Foster 210-3203S/S, 1/4" ARO Coupler x 3/8" Female NPT, 210 Series, Automatic, 303 Stainless Steel

    In stock

    Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-3203S/S is a 303 stainless steel 1/4" coupler...

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    Original price $ 65.69
    Original price $ 65.69 - Original price $ 65.69
    Original price $ 65.69
    Current price $ 52.49
    $ 52.49 - $ 52.49
    Current price $ 52.49
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  • Original price $ 25.09
    Original price $ 25.09 - Original price $ 25.09
    Original price $ 25.09
    Current price $ 20.09
    $ 20.09 - $ 20.09
    Current price $ 20.09

    Foster 210M-3203, 1/4" ARO Coupler x 3/8" Female NPT, 210 Series, Manual, Brass and Steel

    In stock

    Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3203 is a brass and steel 1/4" coupler from ...

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    Original price $ 25.09
    Original price $ 25.09 - Original price $ 25.09
    Original price $ 25.09
    Current price $ 20.09
    $ 20.09 - $ 20.09
    Current price $ 20.09
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  • Original price $ 53.49
    Original price $ 53.49 - Original price $ 53.49
    Original price $ 53.49
    Current price $ 42.79
    $ 42.79 - $ 42.79
    Current price $ 42.79

    Foster 210M-3203S/S, 1/4" ARO Coupler x 3/8" Female NPT, 210 Series, Manual, 303 Stainless Steel

    In stock

    Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3203S/S is a 303 stainless steel 1/4" couple...

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    Original price $ 53.49
    Original price $ 53.49 - Original price $ 53.49
    Original price $ 53.49
    Current price $ 42.79
    $ 42.79 - $ 42.79
    Current price $ 42.79
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  • Original price $ 27.49
    Original price $ 27.49 - Original price $ 27.49
    Original price $ 27.49
    Current price $ 21.99
    $ 21.99 - $ 21.99
    Current price $ 21.99

    Foster 2R4204, 1/4" Hansen RL Interchange Air Coupler x 3/8" Female NPT, 2FRL Series, Brass/Steel

    In stock

    Rugged air-line connections built for the jobsite. The Foster 2R4204 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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    Original price $ 27.49
    Original price $ 27.49 - Original price $ 27.49
    Original price $ 27.49
    Current price $ 21.99
    $ 21.99 - $ 21.99
    Current price $ 21.99
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  • Original price $ 29.89
    Original price $ 29.89 - Original price $ 29.89
    Original price $ 29.89
    Current price $ 23.99
    $ 23.99 - $ 23.99
    Current price $ 23.99

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

    In stock

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

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    Original price $ 29.89
    Original price $ 29.89 - Original price $ 29.89
    Original price $ 29.89
    Current price $ 23.99
    $ 23.99 - $ 23.99
    Current price $ 23.99
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  • Original price $ 6.79
    Original price $ 6.79 - Original price $ 6.79
    Original price $ 6.79
    Current price $ 5.49
    $ 5.49 - $ 5.49
    Current price $ 5.49

    Foster 310-43, 3/8" ARO Plug x 3/8" Female NPT, 310 Series, Steel

    In stock

    Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-43 is a steel 3/8" plug from the Foster 310 S...

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    Original price $ 6.79
    Original price $ 6.79 - Original price $ 6.79
    Original price $ 6.79
    Current price $ 5.49
    $ 5.49 - $ 5.49
    Current price $ 5.49
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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 $ 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...

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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 $ 29.19
    Original price $ 29.19 - Original price $ 29.19
    Original price $ 29.19
    Current price $ 23.39
    $ 23.39 - $ 23.39
    Current price $ 23.39

    Foster 3203GB, 1/4" Industrial Coupler x 3/8" Female NPT, 3 Series, Automatic Slim Profile, Brass

    In stock

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

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    Original price $ 29.19
    Original price $ 29.19 - Original price $ 29.19
    Original price $ 29.19
    Current price $ 23.39
    $ 23.39 - $ 23.39
    Current price $ 23.39
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  • Original price $ 29.19
    Original price $ 29.19 - Original price $ 29.19
    Original price $ 29.19
    Current price $ 23.39
    $ 23.39 - $ 23.39
    Current price $ 23.39

    Foster 3203GB, 3 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass

    In stock

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

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    Original price $ 29.19
    Original price $ 29.19 - Original price $ 29.19
    Original price $ 29.19
    Current price $ 23.39
    $ 23.39 - $ 23.39
    Current price $ 23.39
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  • Original price $ 22.59
    Original price $ 22.59 - Original price $ 22.59
    Original price $ 22.59
    Current price $ 18.09
    $ 18.09 - $ 18.09
    Current price $ 18.09

    Foster 3203GS, 1/4" Industrial Coupler x 3/8" Female NPT, 3 Series, Automatic Slim Profile, Steel

    In stock

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

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    Original price $ 22.59
    Original price $ 22.59 - Original price $ 22.59
    Original price $ 22.59
    Current price $ 18.09
    $ 18.09 - $ 18.09
    Current price $ 18.09
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  • Original price $ 22.59
    Original price $ 22.59 - Original price $ 22.59
    Original price $ 22.59
    Current price $ 18.09
    $ 18.09 - $ 18.09
    Current price $ 18.09

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

    In stock

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

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    Original price $ 22.59
    Original price $ 22.59 - Original price $ 22.59
    Original price $ 22.59
    Current price $ 18.09
    $ 18.09 - $ 18.09
    Current price $ 18.09
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  • Original price $ 16.49
    Original price $ 16.49 - Original price $ 16.49
    Original price $ 16.49
    Current price $ 13.19
    $ 13.19 - $ 13.19
    Current price $ 13.19

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

    In stock

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

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    Original price $ 16.49
    Original price $ 16.49 - Original price $ 16.49
    Original price $ 16.49
    Current price $ 13.19
    $ 13.19 - $ 13.19
    Current price $ 13.19
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  • Original price $ 14.19
    Original price $ 14.19 - Original price $ 14.19
    Original price $ 14.19
    Current price $ 11.39
    $ 11.39 - $ 11.39
    Current price $ 11.39

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

    In stock

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

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    Original price $ 14.19
    Original price $ 14.19 - Original price $ 14.19
    Original price $ 14.19
    Current price $ 11.39
    $ 11.39 - $ 11.39
    Current price $ 11.39
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  • Original price $ 66.39
    Original price $ 66.39 - Original price $ 66.39
    Original price $ 66.39
    Current price $ 53.09
    $ 53.09 - $ 53.09
    Current price $ 53.09

    Foster 3203S/S, 1/4" Industrial Coupler x 3/8" Female NPT, 3 Series, 303 Stainless

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3203S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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    Original price $ 66.39
    Original price $ 66.39 - Original price $ 66.39
    Original price $ 66.39
    Current price $ 53.09
    $ 53.09 - $ 53.09
    Current price $ 53.09
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  • Original price $ 66.39
    Original price $ 66.39 - Original price $ 66.39
    Original price $ 66.39
    Current price $ 53.09
    $ 53.09 - $ 53.09
    Current price $ 53.09

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

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3203S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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    Original price $ 66.39
    Original price $ 66.39 - Original price $ 66.39
    Original price $ 66.39
    Current price $ 53.09
    $ 53.09 - $ 53.09
    Current price $ 53.09
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  • Original price $ 67.59
    Original price $ 67.59 - Original price $ 67.59
    Original price $ 67.59
    Current price $ 54.09
    $ 54.09 - $ 54.09
    Current price $ 54.09

    Foster 3203S/SLV, 1/4" Industrial Coupler x 3/8" Female NPT, 3 Series, Less Valve, 303 Stainless

    In stock

    Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3203S/SLV is a 303 Stainless 1/4" industrial coupler from the Foster 3 Ser...

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    Original price $ 67.59
    Original price $ 67.59 - Original price $ 67.59
    Original price $ 67.59
    Current price $ 54.09
    $ 54.09 - $ 54.09
    Current price $ 54.09
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  • Original price $ 18.99
    Original price $ 18.99 - Original price $ 18.99
    Original price $ 18.99
    Current price $ 15.19
    $ 15.19 - $ 15.19
    Current price $ 15.19

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

    In stock

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

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    Original price $ 18.99
    Original price $ 18.99 - Original price $ 18.99
    Original price $ 18.99
    Current price $ 15.19
    $ 15.19 - $ 15.19
    Current price $ 15.19
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  • Original price $ 5.69
    Original price $ 5.69 - Original price $ 5.69
    Original price $ 5.69
    Current price $ 4.49
    $ 4.49 - $ 4.49
    Current price $ 4.49

    Foster 38FP, 3/8" Straight-Thru Plug x 3/8" Female NPT, FST Series, Steel

    In stock

    Maximum-flow connections for air, fluid, and vacuum lines. The Foster 38FP is a steel 3/8" plug from the FST Straight-Thru Series - with NO valve i...

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    Original price $ 5.69
    Original price $ 5.69 - Original price $ 5.69
    Original price $ 5.69
    Current price $ 4.49
    $ 4.49 - $ 4.49
    Current price $ 4.49
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