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

ZSI Foster - 4 Series, 3/8" Body Industrial Interchange Pneumatic Couplers and Plugs

ZSI Foster's "4 Series" pneumatic fittings are the perfect solution for your industrial and manufacturing needs, including construction and repair shops. Made of durable brass or steel, these fittings are designed to connect flexible tubing such as polyurethane and nylon in various sizes. The quick-connect design allows for easy attachment and detachment from your pneumatic system, while their 3/8" industrial interchange compatibility means they can be used with fittings from other manufacturers. With their reliability and versatility, the "4 Series" fittings are a top choice for a wide range of pneumatic applications in construction and repair shops. Trust ZSI Foster to deliver high-quality fittings that get the job done right.
  • €16,95 - €16,95
    €16,95
    €16,95 - €16,95
    €16,95

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

    In stock

    Series: 4 Part Number: FM4804 Interchange: Industrial Body: 3/8" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Duty Brass, Ste...

    View full details
    €16,95 - €16,95
    €16,95
    €16,95 - €16,95
    €16,95
  • €17,95 - €17,95
    €17,95
    €17,95 - €17,95
    €17,95

    Foster FM1714, 4 Series, Industrial Coupler, Automatic, 3/8" Push-On Hose Barb, Brass

    In stock

    Series: 4 Part Number: FM1714 Interchange: Industrial Body: 3/8" Coupler, Automatic Thread: 3/8" Push-On Hose Barb Material: Heavy-Duty Br...

    View full details
    €17,95 - €17,95
    €17,95
    €17,95 - €17,95
    €17,95
  • €5,95 - €5,95
    €5,95
    €5,95 - €5,95
    €5,95

    Foster 48-4B, 4 Series, Industrial Plug, 3/8" Hose Barb, Brass

    In stock

    Series: 4 Part Number: 48-4B Interchange: Industrial Body: 3/8" Plug Thread: 3/8" Hose Barb Material: Heavy-Duty Brass Rated Pressure: 30...

    View full details
    €5,95 - €5,95
    €5,95
    €5,95 - €5,95
    €5,95
  • €13,95 - €13,95
    €13,95
    €13,95 - €13,95
    €13,95

    Foster 1714, 4 Series, Industrial Coupler, Manual, 3/8" Hose Barb (Push-On), Brass, Steel

    In stock

    Series: 4 Part Number: 1714 Interchange: Industrial, I/M Body: 3/8" Manual Coupler Thread: 3/8" Hose Barb (Push-On) Material: Heavy-Duty B...

    View full details
    €13,95 - €13,95
    €13,95
    €13,95 - €13,95
    €13,95
  • €14,95 - €14,95
    €14,95
    €14,95 - €14,95
    €14,95

    Foster 4804, 4 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Brass, Steel

    In stock

    Series: 4 Part Number: 4804 Interchange: Industrial, I/M Body: 3/8" Manual Coupler Thread: 3/8" Hose Barb Material: Heavy-Duty Brass, Stee...

    View full details
    €14,95 - €14,95
    €14,95
    €14,95 - €14,95
    €14,95
  • €13,95 - €13,95
    €13,95
    €13,95 - €13,95
    €13,95

    Foster 71-4B, 4 Series, Industrial Plug, 3/8" Push-On Hose Barb, Brass

    In stock

    Series: 4 Part Number: 71-4B Interchange: Industrial Body: 3/8" Plug Thread: 3/8" Push-On Hose Barb Material: Brass Rated Pressure: 300 ...

    View full details
    €13,95 - €13,95
    €13,95
    €13,95 - €13,95
    €13,95
  • €3,95 - €3,95
    €3,95
    €3,95 - €3,95
    €3,95

    Foster 71-4, 4 Series, Industrial Plug, 3/8" Push-On Hose Barb, Steel

    In stock

    Series: 4 Part Number: 71-4 Interchange: Industrial Body: 3/8" Plug Thread: 3/8" Push-On Hose Barb Material: Heavy-Duty Steel Rated Press...

    View full details
    €3,95 - €3,95
    €3,95
    €3,95 - €3,95
    €3,95
  • €3,95 - €3,95
    €3,95
    €3,95 - €3,95
    €3,95

    Foster 48-4, 4 Series, Industrial Plug, 3/8" Hose Barb, Steel

    In stock

    Series: 4 Part Number: 48-4 Interchange: Industrial Body: 3/8" Plug Thread: 3/8" Hose Barb Material: Heavy-Duty Steel Rated Pressure: 300...

    View full details
    €3,95 - €3,95
    €3,95
    €3,95 - €3,95
    €3,95