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 $ 3.19Original price $ 3.19 - Original price $ 3.19Original price $ 3.19Current price $ 2.23$ 2.23 - $ 2.23Current price $ 2.23
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 $ 3.19Original price $ 3.19 - Original price $ 3.19Original price $ 3.19Current price $ 2.23$ 2.23 - $ 2.23Current price $ 2.23Save 30% -
Original price $ 25.39Original price $ 25.39 - Original price $ 25.39Original price $ 25.39Current price $ 17.77$ 17.77 - $ 17.77Current price $ 17.77
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 $ 25.39Original price $ 25.39 - Original price $ 25.39Original price $ 25.39Current price $ 17.77$ 17.77 - $ 17.77Current price $ 17.77Save 30% -
Original price $ 4.29Original price $ 4.29 - Original price $ 4.29Original price $ 4.29Current price $ 3.00$ 3.00 - $ 3.00Current price $ 3.00
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 $ 4.29Original price $ 4.29 - Original price $ 4.29Original price $ 4.29Current price $ 3.00$ 3.00 - $ 3.00Current price $ 3.00Save 30% -
Original price $ 13.69Original price $ 13.69 - Original price $ 13.69Original price $ 13.69Current price $ 9.58$ 9.58 - $ 9.58Current price $ 9.58
Foster 3703, 3 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Brass, Steel
In stockSeries: 3 Part Number: 3703 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Hose Barb Material: Heavy-Duty Brass, Ste...
View full detailsOriginal price $ 13.69Original price $ 13.69 - Original price $ 13.69Original price $ 13.69Current price $ 9.58$ 9.58 - $ 9.58Current price $ 9.58Save 30% -
Original price $ 42.59Original price $ 42.59 - Original price $ 42.59Original price $ 42.59Current price $ 29.81$ 29.81 - $ 29.81Current price $ 29.81
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 $ 42.59Original price $ 42.59 - Original price $ 42.59Original price $ 42.59Current price $ 29.81$ 29.81 - $ 29.81Current price $ 29.81Save 30% -
Original price $ 12.09Original price $ 12.09 - Original price $ 12.09Original price $ 12.09Current price $ 8.46$ 8.46 - $ 8.46Current price $ 8.46
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 $ 12.09Original price $ 12.09 - Original price $ 12.09Original price $ 12.09Current price $ 8.46$ 8.46 - $ 8.46Current price $ 8.46Save 30% -
Original price $ 11.89Original price $ 11.89 - Original price $ 11.89Original price $ 11.89Current price $ 8.32$ 8.32 - $ 8.32Current price $ 8.32
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 $ 11.89Original price $ 11.89 - Original price $ 11.89Original price $ 11.89Current price $ 8.32$ 8.32 - $ 8.32Current price $ 8.32Save 30% -
Original price $ 6.89Original price $ 6.89 - Original price $ 6.89Original price $ 6.89Current price $ 4.82$ 4.82 - $ 4.82Current price $ 4.82
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 $ 6.89Original price $ 6.89 - Original price $ 6.89Original price $ 6.89Current price $ 4.82$ 4.82 - $ 4.82Current price $ 4.82Save 30% -
Original price $ 3.69Original price $ 3.69 - Original price $ 3.69Original price $ 3.69Current price $ 2.58$ 2.58 - $ 2.58Current price $ 2.58
Foster 17-3, 3 Series, Industrial Plug, 3/8" Hose Barb, Steel
In stockSeries: 3 Part Number: 17-3 Interchange: Industrial Body: 1/4" Plug Thread: 3/8" Hose Barb Material: Heavy-Duty Steel Rated Pressure: 30...
View full detailsOriginal price $ 3.69Original price $ 3.69 - Original price $ 3.69Original price $ 3.69Current price $ 2.58$ 2.58 - $ 2.58Current price $ 2.58Save 30% -
Original price $ 20.19Original price $ 20.19 - Original price $ 20.19Original price $ 20.19Current price $ 14.13$ 14.13 - $ 14.13Current price $ 14.13
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 $ 20.19Original price $ 20.19 - Original price $ 20.19Original price $ 20.19Current price $ 14.13$ 14.13 - $ 14.13Current price $ 14.13Save 30% -
Original price $ 3.29Original price $ 3.29 - Original price $ 3.29Original price $ 3.29Current price $ 2.30$ 2.30 - $ 2.30Current price $ 2.30
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 $ 3.29Original price $ 3.29 - Original price $ 3.29Original price $ 3.29Current price $ 2.30$ 2.30 - $ 2.30Current price $ 2.30Save 30% -
Original price $ 24.99Original price $ 24.99 - Original price $ 24.99Original price $ 24.99Current price $ 17.49$ 17.49 - $ 17.49Current price $ 17.49
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 $ 24.99Original price $ 24.99 - Original price $ 24.99Original price $ 24.99Current price $ 17.49$ 17.49 - $ 17.49Current price $ 17.49Save 30% -
Original price $ 22.89Original price $ 22.89 - Original price $ 22.89Original price $ 22.89Current price $ 16.02$ 16.02 - $ 16.02Current price $ 16.02
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 $ 22.89Original price $ 22.89 - Original price $ 22.89Original price $ 22.89Current price $ 16.02$ 16.02 - $ 16.02Current price $ 16.02Save 30% -
Original price $ 21.99Original price $ 21.99 - Original price $ 21.99Original price $ 21.99Current price $ 15.39$ 15.39 - $ 15.39Current price $ 15.39
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 $ 21.99Original price $ 21.99 - Original price $ 21.99Original price $ 21.99Current price $ 15.39$ 15.39 - $ 15.39Current price $ 15.39Save 30% -
Original price $ 21.39Original price $ 21.39 - Original price $ 21.39Original price $ 21.39Current price $ 14.97$ 14.97 - $ 14.97Current price $ 14.97
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 $ 21.39Original price $ 21.39 - Original price $ 21.39Original price $ 21.39Current price $ 14.97$ 14.97 - $ 14.97Current price $ 14.97Save 30% -
Original price $ 18.29Original price $ 18.29 - Original price $ 18.29Original price $ 18.29Current price $ 12.80$ 12.80 - $ 12.80Current price $ 12.80
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 $ 18.29Original price $ 18.29 - Original price $ 18.29Original price $ 18.29Current price $ 12.80$ 12.80 - $ 12.80Current price $ 12.80Save 30% -
Original price $ 64.69Original price $ 64.69 - Original price $ 64.69Original price $ 64.69Current price $ 45.28$ 45.28 - $ 45.28Current price $ 45.28
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 $ 64.69Original price $ 64.69 - Original price $ 64.69Original price $ 64.69Current price $ 45.28$ 45.28 - $ 45.28Current price $ 45.28Save 30% -
Original price $ 50.99Original price $ 50.99 - Original price $ 50.99Original price $ 50.99Current price $ 35.69$ 35.69 - $ 35.69Current price $ 35.69
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 $ 50.99Original price $ 50.99 - Original price $ 50.99Original price $ 50.99Current price $ 35.69$ 35.69 - $ 35.69Current price $ 35.69Save 30% -
Original price $ 14.29Original price $ 14.29 - Original price $ 14.29Original price $ 14.29Current price $ 10.00$ 10.00 - $ 10.00Current price $ 10.00
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 $ 14.29Original price $ 14.29 - Original price $ 14.29Original price $ 14.29Current price $ 10.00$ 10.00 - $ 10.00Current price $ 10.00Save 30% -
Original price $ 16.69Original price $ 16.69 - Original price $ 16.69Original price $ 16.69Current price $ 11.68$ 11.68 - $ 11.68Current price $ 11.68
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 $ 16.69Original price $ 16.69 - Original price $ 16.69Original price $ 16.69Current price $ 11.68$ 11.68 - $ 11.68Current price $ 11.68Save 30% -
Original price $ 11.99Original price $ 11.99 - Original price $ 11.99Original price $ 11.99Current price $ 8.39$ 8.39 - $ 8.39Current price $ 8.39
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 $ 11.99Original price $ 11.99 - Original price $ 11.99Original price $ 11.99Current price $ 8.39$ 8.39 - $ 8.39Current price $ 8.39Save 30% -
Original price $ 4.39Original price $ 4.39 - Original price $ 4.39Original price $ 4.39Current price $ 3.07$ 3.07 - $ 3.07Current price $ 3.07
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 $ 4.39Original price $ 4.39 - Original price $ 4.39Original price $ 4.39Current price $ 3.07$ 3.07 - $ 3.07Current price $ 3.07Save 30% -
Original price $ 4.99Original price $ 4.99 - Original price $ 4.99Original price $ 4.99Current price $ 3.49$ 3.49 - $ 3.49Current price $ 3.49
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 $ 4.99Original price $ 4.99 - Original price $ 4.99Original price $ 4.99Current price $ 3.49$ 3.49 - $ 3.49Current price $ 3.49Save 30% -
Original price $ 7.99Original price $ 7.99 - Original price $ 7.99Original price $ 7.99Current price $ 5.59$ 5.59 - $ 5.59Current price $ 5.59
Foster 14-3B, 3 Series, Industrial Plug, 3/8" Male NPT, Brass
In stockSeries: 3 Part Number: 14-3B Interchange: Industrial Body: 1/4" Plug Thread: 3/8" Male NPT, MPT Material: Brass Rated Pressure: 300 psi ...
View full detailsOriginal price $ 7.99Original price $ 7.99 - Original price $ 7.99Original price $ 7.99Current price $ 5.59$ 5.59 - $ 5.59Current price $ 5.59Save 30%
