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  • Original price $ 426.00
    Original price $ 426.00 - Original price $ 426.00
    Original price $ 426.00
    Current price $ 340.00
    $ 340.00 - $ 340.00
    Current price $ 340.00

    Foster BL38FS, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Ball Lock, Brass

    In stock

    Maximum-flow connections for air, fluid, and vacuum lines. The Foster BL38FS is a brass 3/8" coupler from the FST Straight-Thru Series - with NO va...

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    Original price $ 426.00
    Original price $ 426.00 - Original price $ 426.00
    Original price $ 426.00
    Current price $ 340.00
    $ 340.00 - $ 340.00
    Current price $ 340.00
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  • Original price $ 1,410.00
    Original price $ 1,410.00 - Original price $ 1,410.00
    Original price $ 1,410.00
    Current price $ 1,127.00
    $ 1,127.00 - $ 1,127.00
    Current price $ 1,127.00

    Foster BL38FSS, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Ball Lock, 303 Stainless Steel

    In stock

    Maximum-flow connections for air, fluid, and vacuum lines. The Foster BL38FSS is a 303 stainless steel 3/8" coupler from the FST Straight-Thru Seri...

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    Original price $ 1,410.00
    Original price $ 1,410.00 - Original price $ 1,410.00
    Original price $ 1,410.00
    Current price $ 1,127.00
    $ 1,127.00 - $ 1,127.00
    Current price $ 1,127.00
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  • Original price $ 501.00
    Original price $ 501.00 - Original price $ 501.00
    Original price $ 501.00
    Current price $ 401.00
    $ 401.00 - $ 401.00
    Current price $ 401.00

    Foster BL4004, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4004 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 501.00
    Original price $ 501.00 - Original price $ 501.00
    Original price $ 501.00
    Current price $ 401.00
    $ 401.00 - $ 401.00
    Current price $ 401.00
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  • Original price $ 707.00
    Original price $ 707.00 - Original price $ 707.00
    Original price $ 707.00
    Current price $ 565.00
    $ 565.00 - $ 565.00
    Current price $ 565.00

    Foster BL4015, 1/2" Industrial Coupler x 1/4" Female NPT, 5 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL4015 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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    Original price $ 707.00
    Original price $ 707.00 - Original price $ 707.00
    Original price $ 707.00
    Current price $ 565.00
    $ 565.00 - $ 565.00
    Current price $ 565.00
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  • Original price $ 501.00
    Original price $ 501.00 - Original price $ 501.00
    Original price $ 501.00
    Current price $ 401.00
    $ 401.00 - $ 401.00
    Current price $ 401.00

    Foster BL4104, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4104 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 501.00
    Original price $ 501.00 - Original price $ 501.00
    Original price $ 501.00
    Current price $ 401.00
    $ 401.00 - $ 401.00
    Current price $ 401.00
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  • Original price $ 515.00
    Original price $ 515.00 - Original price $ 515.00
    Original price $ 515.00
    Current price $ 412.00
    $ 412.00 - $ 412.00
    Current price $ 412.00

    Foster BL4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4204 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 515.00
    Original price $ 515.00 - Original price $ 515.00
    Original price $ 515.00
    Current price $ 412.00
    $ 412.00 - $ 412.00
    Current price $ 412.00
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  • Original price $ 924.00
    Original price $ 924.00 - Original price $ 924.00
    Original price $ 924.00
    Current price $ 739.00
    $ 739.00 - $ 739.00
    Current price $ 739.00

    Foster BL4204S/S, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Ball Lock, 303 Stainless

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4204S/S is a 303 Stainless 3/8" industrial coupler from the Foster 4 Ser...

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    Original price $ 924.00
    Original price $ 924.00 - Original price $ 924.00
    Original price $ 924.00
    Current price $ 739.00
    $ 739.00 - $ 739.00
    Current price $ 739.00
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  • Original price $ 522.00
    Original price $ 522.00 - Original price $ 522.00
    Original price $ 522.00
    Current price $ 419.00
    $ 419.00 - $ 419.00
    Current price $ 419.00

    Foster BL4304, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4304 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 522.00
    Original price $ 522.00 - Original price $ 522.00
    Original price $ 522.00
    Current price $ 419.00
    $ 419.00 - $ 419.00
    Current price $ 419.00
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  • Original price $ 896.00
    Original price $ 896.00 - Original price $ 896.00
    Original price $ 896.00
    Current price $ 716.00
    $ 716.00 - $ 716.00
    Current price $ 716.00

    Foster BL4304S/S, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Ball Lock, 303 Stainless

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4304S/S is a 303 Stainless 3/8" industrial coupler from the Foster 4 Ser...

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    Original price $ 896.00
    Original price $ 896.00 - Original price $ 896.00
    Original price $ 896.00
    Current price $ 716.00
    $ 716.00 - $ 716.00
    Current price $ 716.00
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  • Original price $ 591.00
    Original price $ 591.00 - Original price $ 591.00
    Original price $ 591.00
    Current price $ 474.00
    $ 474.00 - $ 474.00
    Current price $ 474.00

    Foster BL4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4404 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 591.00
    Original price $ 591.00 - Original price $ 591.00
    Original price $ 591.00
    Current price $ 474.00
    $ 474.00 - $ 474.00
    Current price $ 474.00
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  • Original price $ 591.00
    Original price $ 591.00 - Original price $ 591.00
    Original price $ 591.00
    Current price $ 474.00
    $ 474.00 - $ 474.00
    Current price $ 474.00

    Foster BL4504, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4504 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 591.00
    Original price $ 591.00 - Original price $ 591.00
    Original price $ 591.00
    Current price $ 474.00
    $ 474.00 - $ 474.00
    Current price $ 474.00
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  • Original price $ 581.00
    Original price $ 581.00 - Original price $ 581.00
    Original price $ 581.00
    Current price $ 465.00
    $ 465.00 - $ 465.00
    Current price $ 465.00

    Foster BL4604, 3/8" Industrial Coupler x 1/4" Hose ID, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4604 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 581.00
    Original price $ 581.00 - Original price $ 581.00
    Original price $ 581.00
    Current price $ 465.00
    $ 465.00 - $ 465.00
    Current price $ 465.00
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  • Original price $ 588.00
    Original price $ 588.00 - Original price $ 588.00
    Original price $ 588.00
    Current price $ 470.00
    $ 470.00 - $ 470.00
    Current price $ 470.00

    Foster BL4704, 3/8" Industrial Coupler x 5/16" Hose ID, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4704 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 588.00
    Original price $ 588.00 - Original price $ 588.00
    Original price $ 588.00
    Current price $ 470.00
    $ 470.00 - $ 470.00
    Current price $ 470.00
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  • Original price $ 598.00
    Original price $ 598.00 - Original price $ 598.00
    Original price $ 598.00
    Current price $ 479.00
    $ 479.00 - $ 479.00
    Current price $ 479.00

    Foster BL4804, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4804 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 598.00
    Original price $ 598.00 - Original price $ 598.00
    Original price $ 598.00
    Current price $ 479.00
    $ 479.00 - $ 479.00
    Current price $ 479.00
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  • Original price $ 606.00
    Original price $ 606.00 - Original price $ 606.00
    Original price $ 606.00
    Current price $ 485.00
    $ 485.00 - $ 485.00
    Current price $ 485.00

    Foster BL4904, 3/8" Industrial Coupler x 1/2" Hose ID, 4 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4904 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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    Original price $ 606.00
    Original price $ 606.00 - Original price $ 606.00
    Original price $ 606.00
    Current price $ 485.00
    $ 485.00 - $ 485.00
    Current price $ 485.00
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  • Original price $ 707.00
    Original price $ 707.00 - Original price $ 707.00
    Original price $ 707.00
    Current price $ 565.00
    $ 565.00 - $ 565.00
    Current price $ 565.00

    Foster BL4905, 1/2" Industrial Coupler x 1/4" Male NPT, 5 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL4905 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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    Original price $ 707.00
    Original price $ 707.00 - Original price $ 707.00
    Original price $ 707.00
    Current price $ 565.00
    $ 565.00 - $ 565.00
    Current price $ 565.00
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  • Original price $ 641.00
    Original price $ 641.00 - Original price $ 641.00
    Original price $ 641.00
    Current price $ 513.00
    $ 513.00 - $ 513.00
    Current price $ 513.00

    Foster BL5005, 1/2" Industrial Coupler x 3/8" Female NPT, 5 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5005 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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    Original price $ 641.00
    Original price $ 641.00 - Original price $ 641.00
    Original price $ 641.00
    Current price $ 513.00
    $ 513.00 - $ 513.00
    Current price $ 513.00
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  • Original price $ 550.00
    Original price $ 550.00 - Original price $ 550.00
    Original price $ 550.00
    Current price $ 440.00
    $ 440.00 - $ 440.00
    Current price $ 440.00

    Foster BL50FS, 1/2" Straight-Thru Coupler x 1/2" Female NPT, FST Series, Ball Lock, Brass

    In stock

    Maximum-flow connections for air, fluid, and vacuum lines. The Foster BL50FS is a brass 1/2" coupler from the FST Straight-Thru Series - with NO va...

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    Original price $ 550.00
    Original price $ 550.00 - Original price $ 550.00
    Original price $ 550.00
    Current price $ 440.00
    $ 440.00 - $ 440.00
    Current price $ 440.00
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  • Original price $ 1,594.00
    Original price $ 1,594.00 - Original price $ 1,594.00
    Original price $ 1,594.00
    Current price $ 1,275.00
    $ 1,275.00 - $ 1,275.00
    Current price $ 1,275.00

    Foster BL50FSS, 1/2" Straight-Thru Coupler x 1/2" Female NPT, FST Series, Ball Lock, 303 Stainless Steel

    In stock

    Maximum-flow connections for air, fluid, and vacuum lines. The Foster BL50FSS is a 303 stainless steel 1/2" coupler from the FST Straight-Thru Seri...

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    Original price $ 1,594.00
    Original price $ 1,594.00 - Original price $ 1,594.00
    Original price $ 1,594.00
    Current price $ 1,275.00
    $ 1,275.00 - $ 1,275.00
    Current price $ 1,275.00
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  • Original price $ 641.00
    Original price $ 641.00 - Original price $ 641.00
    Original price $ 641.00
    Current price $ 513.00
    $ 513.00 - $ 513.00
    Current price $ 513.00

    Foster BL5105, 1/2" Industrial Coupler x 3/8" Male NPT, 5 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5105 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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    Original price $ 641.00
    Original price $ 641.00 - Original price $ 641.00
    Original price $ 641.00
    Current price $ 513.00
    $ 513.00 - $ 513.00
    Current price $ 513.00
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  • Original price $ 648.00
    Original price $ 648.00 - Original price $ 648.00
    Original price $ 648.00
    Current price $ 518.00
    $ 518.00 - $ 518.00
    Current price $ 518.00

    Foster BL5205, 1/2" Industrial Coupler x 1/2" Female NPT, 5 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5205 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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    Original price $ 648.00
    Original price $ 648.00 - Original price $ 648.00
    Original price $ 648.00
    Current price $ 518.00
    $ 518.00 - $ 518.00
    Current price $ 518.00
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  • Original price $ 648.00
    Original price $ 648.00 - Original price $ 648.00
    Original price $ 648.00
    Current price $ 518.00
    $ 518.00 - $ 518.00
    Current price $ 518.00

    Foster BL5305, 1/2" Industrial Coupler x 1/2" Male NPT, 5 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5305 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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    Original price $ 648.00
    Original price $ 648.00 - Original price $ 648.00
    Original price $ 648.00
    Current price $ 518.00
    $ 518.00 - $ 518.00
    Current price $ 518.00
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  • Original price $ 655.00
    Original price $ 655.00 - Original price $ 655.00
    Original price $ 655.00
    Current price $ 524.00
    $ 524.00 - $ 524.00
    Current price $ 524.00

    Foster BL5405, 1/2" Industrial Coupler x 3/4" Female NPT, 5 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5405 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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    Original price $ 655.00
    Original price $ 655.00 - Original price $ 655.00
    Original price $ 655.00
    Current price $ 524.00
    $ 524.00 - $ 524.00
    Current price $ 524.00
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  • Original price $ 655.00
    Original price $ 655.00 - Original price $ 655.00
    Original price $ 655.00
    Current price $ 524.00
    $ 524.00 - $ 524.00
    Current price $ 524.00

    Foster BL5505, 1/2" Industrial Coupler x 3/4" Male NPT, 5 Series, Ball Lock, Brass/Steel

    In stock

    Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5505 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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    Original price $ 655.00
    Original price $ 655.00 - Original price $ 655.00
    Original price $ 655.00
    Current price $ 524.00
    $ 524.00 - $ 524.00
    Current price $ 524.00
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