Skip to content
🔧 Spring Savings Are Here – Get Up to 30% Off Select Fittings & Hose!
🔧 Spring Savings Are Here – Get Up to 30% Off Select Fittings & Hose!

Foster - 3 Series, Couplers

  • Original price $ 257.00
    Original price $ 257.00 - Original price $ 257.00
    Original price $ 257.00
    Current price $ 180.00
    $ 180.00 - $ 180.00
    Current price $ 180.00

    Foster 3003, 3 Series, Industrial Coupler, Manual, 1/4" Female NPT, Brass, Steel

    In stock

    Series: 3 Part Number: 3003 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Female NPT, FPT Material: Heavy-Duty Bras...

    View full details
    Original price $ 257.00
    Original price $ 257.00 - Original price $ 257.00
    Original price $ 257.00
    Current price $ 180.00
    $ 180.00 - $ 180.00
    Current price $ 180.00
    Save 30% Save %
  • Original price $ 234.00
    Original price $ 234.00 - Original price $ 234.00
    Original price $ 234.00
    Current price $ 164.00
    $ 164.00 - $ 164.00
    Current price $ 164.00

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

    In stock

    Series: 3 Part Number: 3103 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Brass,...

    View full details
    Original price $ 234.00
    Original price $ 234.00 - Original price $ 234.00
    Original price $ 234.00
    Current price $ 164.00
    $ 164.00 - $ 164.00
    Current price $ 164.00
    Save 30% Save %
  • Original price $ 409.00
    Original price $ 409.00 - Original price $ 409.00
    Original price $ 409.00
    Current price $ 287.00
    $ 287.00 - $ 287.00
    Current price $ 287.00

    Foster 3003GS, 3 Series, Industrial Coupler, Automatic, 1/4" Female NPT, Brass, Steel

    In stock

    Series: 3 Part Number: 3003GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Female NPT, FPT Material: Heavy-Duty...

    View full details
    Original price $ 409.00
    Original price $ 409.00 - Original price $ 409.00
    Original price $ 409.00
    Current price $ 287.00
    $ 287.00 - $ 287.00
    Current price $ 287.00
    Save 30% Save %
  • Original price $ 398.00
    Original price $ 398.00 - Original price $ 398.00
    Original price $ 398.00
    Current price $ 278.00
    $ 278.00 - $ 278.00
    Current price $ 278.00

    Foster 3003GB, 3 Series, Industrial Coupler, Automatic, 1/4" Female NPT, Brass

    In stock

    Series: 3 Part Number: 3003GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Female NPT, FPT Material: Heavy-Duty...

    View full details
    Original price $ 398.00
    Original price $ 398.00 - Original price $ 398.00
    Original price $ 398.00
    Current price $ 278.00
    $ 278.00 - $ 278.00
    Current price $ 278.00
    Save 30% Save %
  • Original price $ 261.00
    Original price $ 261.00 - Original price $ 261.00
    Original price $ 261.00
    Current price $ 183.00
    $ 183.00 - $ 183.00
    Current price $ 183.00

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

    In stock

    Series: 3 Part Number: 3203 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Female NPT, FPT Material: Heavy-Duty Bras...

    View full details
    Original price $ 261.00
    Original price $ 261.00 - Original price $ 261.00
    Original price $ 261.00
    Current price $ 183.00
    $ 183.00 - $ 183.00
    Current price $ 183.00
    Save 30% Save %
  • Original price $ 259.00
    Original price $ 259.00 - Original price $ 259.00
    Original price $ 259.00
    Current price $ 182.00
    $ 182.00 - $ 182.00
    Current price $ 182.00

    Foster 3303, 3 Series, Industrial Coupler, Manual, 3/8" Male NPT, Brass, Steel

    In stock

    Series: 3 Part Number: 3303 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Male NPT, MPT Material: Heavy-Duty Brass,...

    View full details
    Original price $ 259.00
    Original price $ 259.00 - Original price $ 259.00
    Original price $ 259.00
    Current price $ 182.00
    $ 182.00 - $ 182.00
    Current price $ 182.00
    Save 30% Save %
  • Original price $ 247.00
    Original price $ 247.00 - Original price $ 247.00
    Original price $ 247.00
    Current price $ 173.00
    $ 173.00 - $ 173.00
    Current price $ 173.00

    Foster 3603, 3 Series, Industrial Coupler, Manual, 1/4" Hose Barb, Brass, Steel

    In stock

    Series: 3 Part Number: 3603 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Hose Barb Material: Heavy-Duty Brass, Ste...

    View full details
    Original price $ 247.00
    Original price $ 247.00 - Original price $ 247.00
    Original price $ 247.00
    Current price $ 173.00
    $ 173.00 - $ 173.00
    Current price $ 173.00
    Save 30% Save %
  • Original price $ 488.00
    Original price $ 488.00 - Original price $ 488.00
    Original price $ 488.00
    Current price $ 342.00
    $ 342.00 - $ 342.00
    Current price $ 342.00

    Foster 3603GB, 3 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass

    In stock

    Series: 3 Part Number: 3603GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Hose Barb Material: Heavy-Duty Brass...

    View full details
    Original price $ 488.00
    Original price $ 488.00 - Original price $ 488.00
    Original price $ 488.00
    Current price $ 342.00
    $ 342.00 - $ 342.00
    Current price $ 342.00
    Save 30% Save %
  • Original price $ 429.00
    Original price $ 429.00 - Original price $ 429.00
    Original price $ 429.00
    Current price $ 301.00
    $ 301.00 - $ 301.00
    Current price $ 301.00

    Foster 3603GS, 3 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass, Steel

    In stock

    Series: 3 Part Number: 3603GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Hose Barb Material: Heavy-Duty Brass...

    View full details
    Original price $ 429.00
    Original price $ 429.00 - Original price $ 429.00
    Original price $ 429.00
    Current price $ 301.00
    $ 301.00 - $ 301.00
    Current price $ 301.00
    Save 30% Save %
  • Original price $ 338.00
    Original price $ 338.00 - Original price $ 338.00
    Original price $ 338.00
    Current price $ 237.00
    $ 237.00 - $ 237.00
    Current price $ 237.00

    Foster 3003HW, 3 Series, Industrial Coupler, Manual, 1/4" Female NPT, Brass (HOT WATER)

    In stock

    Series: 3 Part Number: 3003HW Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Female NPT, FPT Material: Heavy-Duty Br...

    View full details
    Original price $ 338.00
    Original price $ 338.00 - Original price $ 338.00
    Original price $ 338.00
    Current price $ 237.00
    $ 237.00 - $ 237.00
    Current price $ 237.00
    Save 30% Save %
  • Original price $ 374.00
    Original price $ 374.00 - Original price $ 374.00
    Original price $ 374.00
    Current price $ 262.00
    $ 262.00 - $ 262.00
    Current price $ 262.00

    Foster FM1713, 3 Series, Industrial Coupler, Automatic, 3/8" Push-On Hose Barb, Brass

    In stock

    Series: 3 Part Number: FM1713 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Push-On Hose Barb Material: Heavy-Du...

    View full details
    Original price $ 374.00
    Original price $ 374.00 - Original price $ 374.00
    Original price $ 374.00
    Current price $ 262.00
    $ 262.00 - $ 262.00
    Current price $ 262.00
    Save 30% Save %
  • Original price $ 396.00
    Original price $ 396.00 - Original price $ 396.00
    Original price $ 396.00
    Current price $ 277.00
    $ 277.00 - $ 277.00
    Current price $ 277.00

    Foster FM2803, 3 Series, Industrial Coupler, Automatic, 1/8" Female NPT, Brass

    In stock

    Series: 3 Part Number: FM2803 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/8" Female NPT, FPT Material: Heavy-Duty...

    View full details
    Original price $ 396.00
    Original price $ 396.00 - Original price $ 396.00
    Original price $ 396.00
    Current price $ 277.00
    $ 277.00 - $ 277.00
    Current price $ 277.00
    Save 30% Save %
  • Original price $ 366.00
    Original price $ 366.00 - Original price $ 366.00
    Original price $ 366.00
    Current price $ 256.00
    $ 256.00 - $ 256.00
    Current price $ 256.00

    Foster FM2903, 3 Series, Industrial Coupler, Automatic, 1/8" Male NPT, Brass

    In stock

    Series: 3 Part Number: FM2903 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/8" Male NPT, MPT Material: Heavy-Duty B...

    View full details
    Original price $ 366.00
    Original price $ 366.00 - Original price $ 366.00
    Original price $ 366.00
    Current price $ 256.00
    $ 256.00 - $ 256.00
    Current price $ 256.00
    Save 30% Save %
  • Original price $ 362.00
    Original price $ 362.00 - Original price $ 362.00
    Original price $ 362.00
    Current price $ 253.00
    $ 253.00 - $ 253.00
    Current price $ 253.00

    Foster FM3003, 3 Series, Industrial Coupler, Automatic, 1/4" Female NPT, Brass

    In stock

    Series: 3 Part Number: FM3003 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Female NPT, FPT Material: Heavy-Duty...

    View full details
    Original price $ 362.00
    Original price $ 362.00 - Original price $ 362.00
    Original price $ 362.00
    Current price $ 253.00
    $ 253.00 - $ 253.00
    Current price $ 253.00
    Save 30% Save %
  • Original price $ 374.00
    Original price $ 374.00 - Original price $ 374.00
    Original price $ 374.00
    Current price $ 262.00
    $ 262.00 - $ 262.00
    Current price $ 262.00

    Foster FM3103, 3 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass

    In stock

    Series: 3 Part Number: FM3103 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Male NPT, MPT Material: Heavy-Duty B...

    View full details
    Original price $ 374.00
    Original price $ 374.00 - Original price $ 374.00
    Original price $ 374.00
    Current price $ 262.00
    $ 262.00 - $ 262.00
    Current price $ 262.00
    Save 30% Save %
  • Original price $ 376.00
    Original price $ 376.00 - Original price $ 376.00
    Original price $ 376.00
    Current price $ 263.00
    $ 263.00 - $ 263.00
    Current price $ 263.00

    Foster FM3203, 3 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass

    In stock

    Series: 3 Part Number: FM3203 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Female NPT, FPT Material: Heavy-Duty...

    View full details
    Original price $ 376.00
    Original price $ 376.00 - Original price $ 376.00
    Original price $ 376.00
    Current price $ 263.00
    $ 263.00 - $ 263.00
    Current price $ 263.00
    Save 30% Save %
  • Original price $ 380.00
    Original price $ 380.00 - Original price $ 380.00
    Original price $ 380.00
    Current price $ 266.00
    $ 266.00 - $ 266.00
    Current price $ 266.00

    Foster FM3303, 3 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass

    In stock

    Series: 3 Part Number: FM3303 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Male NPT, MPT Material: Heavy-Duty B...

    View full details
    Original price $ 380.00
    Original price $ 380.00 - Original price $ 380.00
    Original price $ 380.00
    Current price $ 266.00
    $ 266.00 - $ 266.00
    Current price $ 266.00
    Save 30% Save %
  • Original price $ 386.00
    Original price $ 386.00 - Original price $ 386.00
    Original price $ 386.00
    Current price $ 270.00
    $ 270.00 - $ 270.00
    Current price $ 270.00

    Foster FM3603, 3 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass

    In stock

    Series: 3 Part Number: FM3603 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Hose Barb Material: Heavy-Duty Brass...

    View full details
    Original price $ 386.00
    Original price $ 386.00 - Original price $ 386.00
    Original price $ 386.00
    Current price $ 270.00
    $ 270.00 - $ 270.00
    Current price $ 270.00
    Save 30% Save %
  • Original price $ 342.00
    Original price $ 342.00 - Original price $ 342.00
    Original price $ 342.00
    Current price $ 240.00
    $ 240.00 - $ 240.00
    Current price $ 240.00

    Foster FM3703, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass

    In stock

    Series: 3 Part Number: FM3703 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Duty Brass...

    View full details
    Original price $ 342.00
    Original price $ 342.00 - Original price $ 342.00
    Original price $ 342.00
    Current price $ 240.00
    $ 240.00 - $ 240.00
    Current price $ 240.00
    Save 30% Save %
  • Original price $ 253.00
    Original price $ 253.00 - Original price $ 253.00
    Original price $ 253.00
    Current price $ 177.00
    $ 177.00 - $ 177.00
    Current price $ 177.00

    Foster SG1513, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/4" Push-On Hose Barb, Brass

    In stock

    Series: 3 Part Number: SG1513 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual, Sleeve Guard Thread: 1/4" Push-On Hose Barb Materia...

    View full details
    Original price $ 253.00
    Original price $ 253.00 - Original price $ 253.00
    Original price $ 253.00
    Current price $ 177.00
    $ 177.00 - $ 177.00
    Current price $ 177.00
    Save 30% Save %
  • Original price $ 255.00
    Original price $ 255.00 - Original price $ 255.00
    Original price $ 255.00
    Current price $ 179.00
    $ 179.00 - $ 179.00
    Current price $ 179.00

    Foster SG1713, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Push-On Hose Barb, Brass

    In stock

    Series: 3 Part Number: SG1713 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual, Sleeve Guard Thread: 3/8" Push-On Hose Barb Materia...

    View full details
    Original price $ 255.00
    Original price $ 255.00 - Original price $ 255.00
    Original price $ 255.00
    Current price $ 179.00
    $ 179.00 - $ 179.00
    Current price $ 179.00
    Save 30% Save %
  • Original price $ 364.00
    Original price $ 364.00 - Original price $ 364.00
    Original price $ 364.00
    Current price $ 255.00
    $ 255.00 - $ 255.00
    Current price $ 255.00

    Foster SG2803, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/8" Female NPT, Brass

    In stock

    Series: 3 Part Number: SG2803 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual, Sleeve Guard Thread: 1/8" Female NPT, FPT Material:...

    View full details
    Original price $ 364.00
    Original price $ 364.00 - Original price $ 364.00
    Original price $ 364.00
    Current price $ 255.00
    $ 255.00 - $ 255.00
    Current price $ 255.00
    Save 30% Save %
  • Original price $ 301.00
    Original price $ 301.00 - Original price $ 301.00
    Original price $ 301.00
    Current price $ 211.00
    $ 211.00 - $ 211.00
    Current price $ 211.00

    Foster SG2903, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/8" Male NPT, Brass

    In stock

    Series: 3 Part Number: SG2903 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual, Sleeve Guard Thread: 1/8" Male NPT, MPT Material: H...

    View full details
    Original price $ 301.00
    Original price $ 301.00 - Original price $ 301.00
    Original price $ 301.00
    Current price $ 211.00
    $ 211.00 - $ 211.00
    Current price $ 211.00
    Save 30% Save %
  • Original price $ 218.00
    Original price $ 218.00 - Original price $ 218.00
    Original price $ 218.00
    Current price $ 152.00
    $ 152.00 - $ 152.00
    Current price $ 152.00

    Foster SG3003, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/4" Female NPT, Brass

    In stock

    Series: 3 Part Number: SG3003 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual, Sleeve Guard Thread: 1/4" Female NPT, FPT Material:...

    View full details
    Original price $ 218.00
    Original price $ 218.00 - Original price $ 218.00
    Original price $ 218.00
    Current price $ 152.00
    $ 152.00 - $ 152.00
    Current price $ 152.00
    Save 30% Save %