ZSI Foster - 3 Series, 1/4" Body Industrial Interchange Pneumatic Couplers and Plugs
ZSI Foster's "3 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 1/4" industrial interchange compatibility means they can be used with fittings from other manufacturers. With their reliability and versatility, the "3 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.
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Original price $ 353.00Original price $ 353.00 - Original price $ 353.00Original price $ 353.00Current price $ 248.00$ 248.00 - $ 248.00Current price $ 248.00
Foster SL3003, 3 Series, Industrial Coupler, Automatic, 1/4" Female NPT, Brass With Ball Sleeve Lock
In stockSeries: 3 Part Number: SL3003 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic With Sleeve Lock Thread: 1/4" Female NPT, FPT Mat...
View full detailsOriginal price $ 353.00Original price $ 353.00 - Original price $ 353.00Original price $ 353.00Current price $ 248.00$ 248.00 - $ 248.00Current price $ 248.00Save 30% -
Original price $ 437.00Original price $ 437.00 - Original price $ 437.00Original price $ 437.00Current price $ 306.00$ 306.00 - $ 306.00Current price $ 306.00
Foster 3203GB, 3 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass
In stockSeries: 3 Part Number: 3203GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Female NPT, FPT Material: Heavy-Duty...
View full detailsOriginal price $ 437.00Original price $ 437.00 - Original price $ 437.00Original price $ 437.00Current price $ 306.00$ 306.00 - $ 306.00Current price $ 306.00Save 30% -
Original price $ 892.00Original price $ 892.00 - Original price $ 892.00Original price $ 892.00Current price $ 624.00$ 624.00 - $ 624.00Current price $ 624.00
Foster 3303S/S, 3 Series, Industrial Coupler, Manual, 3/8" Male NPT, Stainless Steel
In stockSeries: 3 Part Number: 3303S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Male NPT, MPT Material: 303 Stainless ...
View full detailsOriginal price $ 892.00Original price $ 892.00 - Original price $ 892.00Original price $ 892.00Current price $ 624.00$ 624.00 - $ 624.00Current price $ 624.00Save 30% -
Original price $ 77.00Original price $ 77.00 - Original price $ 77.00Original price $ 77.00Current price $ 54.00$ 54.00 - $ 54.00Current price $ 54.00
Foster 71-3, 3 Series, Industrial Plug, 3/8" Hose Barb (Push-On), Steel
In stockSeries: 3 Part Number: 71-3 Interchange: Industrial Body: 1/4" Plug Thread: 3/8" Hose Barb (Push-On) Material: Heavy-Duty Steel Rated Pr...
View full detailsOriginal price $ 77.00Original price $ 77.00 - Original price $ 77.00Original price $ 77.00Current price $ 54.00$ 54.00 - $ 54.00Current price $ 54.00Save 30% -
Original price $ 226.00Original price $ 226.00 - Original price $ 226.00Original price $ 226.00Current price $ 158.00$ 158.00 - $ 158.00Current price $ 158.00
Foster SG1713, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Push-On Hose Barb, Brass
In stockSeries: 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 detailsOriginal price $ 226.00Original price $ 226.00 - Original price $ 226.00Original price $ 226.00Current price $ 158.00$ 158.00 - $ 158.00Current price $ 158.00Save 30% -
Original price $ 380.00Original price $ 380.00 - Original price $ 380.00Original price $ 380.00Current price $ 266.00$ 266.00 - $ 266.00Current price $ 266.00
Foster 3603GS, 3 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass, Steel
In stockSeries: 3 Part Number: 3603GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Hose Barb Material: Heavy-Duty Brass...
View full detailsOriginal price $ 380.00Original price $ 380.00 - Original price $ 380.00Original price $ 380.00Current price $ 266.00$ 266.00 - $ 266.00Current price $ 266.00Save 30% -
Original price $ 144.00Original price $ 144.00 - Original price $ 144.00Original price $ 144.00Current price $ 101.00$ 101.00 - $ 101.00Current price $ 101.00
Foster 165-3, 3 Series, Industrial Plug, 5/16" Hose Barb, Steel
In stockSeries: 3 Part Number: 165-3 Interchange: Industrial Body: 1/4" Plug Thread: 5/16" Hose Barb Material: Heavy-Duty Steel Rated Pressure: ...
View full detailsOriginal price $ 144.00Original price $ 144.00 - Original price $ 144.00Original price $ 144.00Current price $ 101.00$ 101.00 - $ 101.00Current price $ 101.00Save 30% -
Original price $ 56.00Original price $ 56.00 - Original price $ 56.00Original price $ 56.00Current price $ 39.00$ 39.00 - $ 39.00Current price $ 39.00
Foster 13-3, 3 Series, Industrial Plug, 1/8" Female NPT, Steel
In stockSeries: 3 Part Number: 13-3 Interchange: Industrial Body: 1/4" Plug Thread: 1/8" Female NPT, FPT Material: Heavy-Duty Steel Rated Pressur...
View full detailsOriginal price $ 56.00Original price $ 56.00 - Original price $ 56.00Original price $ 56.00Current price $ 39.00$ 39.00 - $ 39.00Current price $ 39.00Save 30% -
Original price $ 444.00Original price $ 444.00 - Original price $ 444.00Original price $ 444.00Current price $ 311.00$ 311.00 - $ 311.00Current price $ 311.00
Foster 3703GB, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass
In stockSeries: 3 Part Number: 3703GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Duty Brass...
View full detailsOriginal price $ 444.00Original price $ 444.00 - Original price $ 444.00Original price $ 444.00Current price $ 311.00$ 311.00 - $ 311.00Current price $ 311.00Save 30% -
Original price $ 401.00Original price $ 401.00 - Original price $ 401.00Original price $ 401.00Current price $ 281.00$ 281.00 - $ 281.00Current price $ 281.00
Foster 3103GB, 3 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass
In stockSeries: 3 Part Number: 3103GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Male NPT, FPT Material: Heavy-Duty B...
View full detailsOriginal price $ 401.00Original price $ 401.00 - Original price $ 401.00Original price $ 401.00Current price $ 281.00$ 281.00 - $ 281.00Current price $ 281.00Save 30% -
Original price $ 75.00Original price $ 75.00 - Original price $ 75.00Original price $ 75.00Current price $ 53.00$ 53.00 - $ 53.00Current price $ 53.00
Foster 12-3B, 3 Series, Industrial Plug, 1/8" Male NPT, Brass
In stockSeries: 3 Part Number: 12-3B Interchange: Industrial Body: 1/4" Plug Thread: 1/8" Male NPT, MPT Material: Heavy-Duty Brass Rated Pressure...
View full detailsOriginal price $ 75.00Original price $ 75.00 - Original price $ 75.00Original price $ 75.00Current price $ 53.00$ 53.00 - $ 53.00Current price $ 53.00Save 29% -
Original price $ 745.00Original price $ 745.00 - Original price $ 745.00Original price $ 745.00Current price $ 626.00$ 626.00 - $ 626.00Current price $ 626.00
Foster 3003S/S, 3 Series, Industrial Coupler, Manual, 1/4" Female NPT, Stainless Steel
In stockSeries: 3 Part Number: 3003S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Female NPT, FPT Material: Heavy-Duty S...
View full detailsOriginal price $ 745.00Original price $ 745.00 - Original price $ 745.00Original price $ 745.00Current price $ 626.00$ 626.00 - $ 626.00Current price $ 626.00Save 16% -
Original price $ 212.00Original price $ 212.00 - Original price $ 212.00Original price $ 212.00Current price $ 148.00$ 148.00 - $ 148.00Current price $ 148.00
Foster SG3303, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Male NPT, Brass
In stockSeries: 3 Part Number: SG3303 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual, Sleeve Guard Thread: 3/8" Male NPT, MPT Material: H...
View full detailsOriginal price $ 212.00Original price $ 212.00 - Original price $ 212.00Original price $ 212.00Current price $ 148.00$ 148.00 - $ 148.00Current price $ 148.00Save 30% -
Original price $ 208.00Original price $ 208.00 - Original price $ 208.00Original price $ 208.00Current price $ 146.00$ 146.00 - $ 146.00Current price $ 146.00
Foster SG3203, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Female NPT, Brass
In stockSeries: 3 Part Number: SG3203 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual, Sleeve Guard Thread: 3/8" Female NPT, FPT Material:...
View full detailsOriginal price $ 208.00Original price $ 208.00 - Original price $ 208.00Original price $ 208.00Current price $ 146.00$ 146.00 - $ 146.00Current price $ 146.00Save 30% -
Original price $ 121.00Original price $ 121.00 - Original price $ 121.00Original price $ 121.00Current price $ 85.00$ 85.00 - $ 85.00Current price $ 85.00
Foster 16-3B, 3 Series, Industrial Plug, 1/4" Hose Barb, Brass
In stockSeries: 3 Part Number: 16-3B Interchange: Industrial Body: 1/4" Plug Thread: 1/4" Hose Barb Material: Heavy-Duty Brass Rated Pressure: 3...
View full detailsOriginal price $ 121.00Original price $ 121.00 - Original price $ 121.00Original price $ 121.00Current price $ 85.00$ 85.00 - $ 85.00Current price $ 85.00Save 30% -
Original price $ 58.00Original price $ 58.00 - Original price $ 58.00Original price $ 58.00Current price $ 41.00$ 41.00 - $ 41.00Current price $ 41.00
Foster 16-3, 3 Series, Industrial Plug, 1/4" Hose Barb, Steel
In stockSeries: 3 Part Number: 16-3 Interchange: Industrial Body: 1/4" Plug Thread: 1/4" Hose Barb Material: Heavy-Duty Steel Rated Pressure: 30...
View full detailsOriginal price $ 58.00Original price $ 58.00 - Original price $ 58.00Original price $ 58.00Current price $ 41.00$ 41.00 - $ 41.00Current price $ 41.00Save 29% -
Original price $ 385.00Original price $ 385.00 - Original price $ 385.00Original price $ 385.00Current price $ 270.00$ 270.00 - $ 270.00Current price $ 270.00
Foster 2803GB, 3 Series, Industrial Coupler, Automatic, 1/8" Female NPT, Brass
In stockSeries: 3 Part Number: 28033GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/8" Female NPT, FPT Material: Heavy-Dut...
View full detailsOriginal price $ 385.00Original price $ 385.00 - Original price $ 385.00Original price $ 385.00Current price $ 270.00$ 270.00 - $ 270.00Current price $ 270.00Save 30% -
Original price $ 374.00Original price $ 374.00 - Original price $ 374.00Original price $ 374.00Current price $ 262.00$ 262.00 - $ 262.00Current price $ 262.00
Foster 3303GS, 3 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass, Steel
In stockSeries: 3 Part Number: 3303GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Male NPT, MPT Material: Heavy-Duty B...
View full detailsOriginal price $ 374.00Original price $ 374.00 - Original price $ 374.00Original price $ 374.00Current price $ 262.00$ 262.00 - $ 262.00Current price $ 262.00Save 30% -
Original price $ 320.00Original price $ 320.00 - Original price $ 320.00Original price $ 320.00Current price $ 224.00$ 224.00 - $ 224.00Current price $ 224.00
Foster FM1513, 3 Series, Industrial Coupler, Automatic, 1/4" Push-On Hose Barb, Brass
In stockSeries: 3 Part Number: FM1513 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Push-On Hose Barb Material: Heavy-Du...
View full detailsOriginal price $ 320.00Original price $ 320.00 - Original price $ 320.00Original price $ 320.00Current price $ 224.00$ 224.00 - $ 224.00Current price $ 224.00Save 30% -
Original price $ 1,131.00Original price $ 1,131.00 - Original price $ 1,131.00Original price $ 1,131.00Current price $ 792.00$ 792.00 - $ 792.00Current price $ 792.00
Foster 3603S/S, 3 Series, Industrial Coupler, Manual, 1/4" Hose Barb, Stainless Steel
In stockSeries: 3 Part Number: 3603S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Hose Barb Material: 303 Stainless Stee...
View full detailsOriginal price $ 1,131.00Original price $ 1,131.00 - Original price $ 1,131.00Original price $ 1,131.00Current price $ 792.00$ 792.00 - $ 792.00Current price $ 792.00Save 30% -
Original price $ 250.00Original price $ 250.00 - Original price $ 250.00Original price $ 250.00Current price $ 175.00$ 175.00 - $ 175.00Current price $ 175.00
Foster 2903, 3 Series, Industrial Coupler, Manual, 1/8" Male NPT, Brass, Steel
In stockSeries: 3 Part Number: 2903 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/8" Male NPT, MPT Material: Heavy-Duty Brass,...
View full detailsOriginal price $ 250.00Original price $ 250.00 - Original price $ 250.00Original price $ 250.00Current price $ 175.00$ 175.00 - $ 175.00Current price $ 175.00Save 30% -
Original price $ 292.00Original price $ 292.00 - Original price $ 292.00Original price $ 292.00Current price $ 205.00$ 205.00 - $ 205.00Current price $ 205.00
Foster 2803, 3 Series, Industrial Coupler, Manual, 1/8" Female NPT, Brass, Steel
In stockSeries: 3 Part Number: 2803 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/8" Female NPT, FPT Material: Heavy-Duty Bras...
View full detailsOriginal price $ 292.00Original price $ 292.00 - Original price $ 292.00Original price $ 292.00Current price $ 205.00$ 205.00 - $ 205.00Current price $ 205.00Save 30% -
Original price $ 210.00Original price $ 210.00 - Original price $ 210.00Original price $ 210.00Current price $ 147.00$ 147.00 - $ 147.00Current price $ 147.00
Foster 12-3S/S, 3 Series, Industrial Plug, 1/8" Male NPT, Stainless Steel
In stockSeries: 3 Part Number: 12-3S/S Interchange: Industrial Body: 1/4" Plug Thread: 1/8" Male NPT, MPT Material: 303 Stainless Steel Rated Pr...
View full detailsOriginal price $ 210.00Original price $ 210.00 - Original price $ 210.00Original price $ 210.00Current price $ 147.00$ 147.00 - $ 147.00Current price $ 147.00Save 30% -
Original price $ 88.00Original price $ 88.00 - Original price $ 88.00Original price $ 88.00Current price $ 62.00$ 62.00 - $ 62.00Current price $ 62.00
Foster 51-3, 3 Series, Industrial Plug, 1/4" Hose Barb (Push-On), Steel
In stockSeries: 3 Part Number: 51-3 Interchange: Industrial Body: 1/4" Plug Thread: 1/4" Hose Barb (Push-On) Material: Heavy-Duty Steel Rated Pr...
View full detailsOriginal price $ 88.00Original price $ 88.00 - Original price $ 88.00Original price $ 88.00Current price $ 62.00$ 62.00 - $ 62.00Current price $ 62.00Save 30%
