Foster
Foster quick couplers set the standard in pneumatic and hydraulic connections. Part of the ZSI-Foster line, Foster couplers and plugs cover the full range of industrial interchanges and body sizes in steel, brass, and stainless construction. Built for reliable, repeatable connections in air and fluid systems. Shop the full Foster range below.
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Original price $ 29.29Original price $ 29.29 - Original price $ 29.29Original price $ 29.29Current price $ 20.50$ 20.50 - $ 20.50Current price $ 20.50
Foster 310-4704, Aro 310 Series, Coupler, Automatic, 5/16" Hose Barb, Brass, Steel
In stockSeries: 310 Part number: 310-4704 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 5/16" Hose Barb Material: Heavy-Duty Brass, Ste...
View full detailsOriginal price $ 29.29Original price $ 29.29 - Original price $ 29.29Original price $ 29.29Current price $ 20.50$ 20.50 - $ 20.50Current price $ 20.50Save 30% -
Original price $ 28.59Original price $ 28.59 - Original price $ 28.59Original price $ 28.59Current price $ 20.01$ 20.01 - $ 20.01Current price $ 20.01
Foster 310-4604, Aro 310 Series, Coupler, Automatic, 1/4" Hose Barb, Brass, Steel
In stockSeries: 310 Part number: 310-4604 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 1/4" Hose Barb Material: Heavy-Duty Brass, Stee...
View full detailsOriginal price $ 28.59Original price $ 28.59 - Original price $ 28.59Original price $ 28.59Current price $ 20.01$ 20.01 - $ 20.01Current price $ 20.01Save 30% -
Original price $ 25.49Original price $ 25.49 - Original price $ 25.49Original price $ 25.49Current price $ 17.84$ 17.84 - $ 17.84Current price $ 17.84
Foster 310-4104, Aro 210 Series, Coupler, Automatic, 1/4" Male NPT, Brass, Steel
In stockSeries: 310 Part number: 310-4104 Interchange: Aro 410 Body: 3/8" Coupler, Automatic Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Brass, ...
View full detailsOriginal price $ 25.49Original price $ 25.49 - Original price $ 25.49Original price $ 25.49Current price $ 17.84$ 17.84 - $ 17.84Current price $ 17.84Save 30% -
Original price $ 25.29Original price $ 25.29 - Original price $ 25.29Original price $ 25.29Current price $ 17.70$ 17.70 - $ 17.70Current price $ 17.70
Foster 310-4004, Aro 310 Series, Coupler, Automatic, 1/4" Female NPT, Brass, Steel
In stockSeries: 310 Part number: 310-3003 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 1/4" Female NPT, FPT Material: Heavy-Duty Brass...
View full detailsOriginal price $ 25.29Original price $ 25.29 - Original price $ 25.29Original price $ 25.29Current price $ 17.70$ 17.70 - $ 17.70Current price $ 17.70Save 30% -
Original price $ 23.99Original price $ 23.99 - Original price $ 23.99Original price $ 23.99Current price $ 16.79$ 16.79 - $ 16.79Current price $ 16.79
Foster K2S/S, FHK Series, ISO B, 1/4" Two Way Shut-off, Plug, Stainless Steel
In stockSeries: FHK Part Number: K2S/S Interchange: ISO B 7241-1 Plug Body: 1/4" Valved Thread: 1/4" Female NPT, FPT Material: Stainless Steel Quantity: 1
Original price $ 23.99Original price $ 23.99 - Original price $ 23.99Original price $ 23.99Current price $ 16.79$ 16.79 - $ 16.79Current price $ 16.79Save 30% -
Original price $ 10.89Original price $ 10.89 - Original price $ 10.89Original price $ 10.89Current price $ 7.62$ 7.62 - $ 7.62Current price $ 7.62
Foster K2S, FHK Series, ISO B, 1/4" Two Way Shut-off, Plug, Steel
In stockSeries: FHK Part Number: K2S Interchange: ISO B 7241-1 Plug Body: 1/4" Valved Thread: 1/4" Female NPT, FPT Material: Solid Steel Quantity: 1
Original price $ 10.89Original price $ 10.89 - Original price $ 10.89Original price $ 10.89Current price $ 7.62$ 7.62 - $ 7.62Current price $ 7.62Save 30% -
Original price $ 179.59Original price $ 179.59 - Original price $ 179.59Original price $ 179.59Current price $ 125.71$ 125.71 - $ 125.71Current price $ 125.71
Foster K8S/S, FHK Series, ISO B, 1" Two Way Shut-off, Plug, Stainless Steel
In stockSeries: FHK Part Number: K8S Interchange: ISO B 7241-1 Plug Body: 1" Valved Thread: 1" Female NPT, FPT Material: Stainless Steel Quantity: 1
Original price $ 179.59Original price $ 179.59 - Original price $ 179.59Original price $ 179.59Current price $ 125.71$ 125.71 - $ 125.71Current price $ 125.71Save 30% -
Original price $ 47.59Original price $ 47.59 - Original price $ 47.59Original price $ 47.59Current price $ 33.31$ 33.31 - $ 33.31Current price $ 33.31
Foster K8S, FHK Series, ISO B, 1" Two Way Shut-off, Plug, Steel
In stockSeries: FHK Part Number: K8S Interchange: ISO B 7241-1 Plug Body: 1" Valved Thread: 1" Female NPT, FPT Material: Solid Steel Quantity: 1
Original price $ 47.59Original price $ 47.59 - Original price $ 47.59Original price $ 47.59Current price $ 33.31$ 33.31 - $ 33.31Current price $ 33.31Save 30% -
Original price $ 102.89Original price $ 102.89 - Original price $ 102.89Original price $ 102.89Current price $ 72.02$ 72.02 - $ 72.02Current price $ 72.02
Foster K6S/S, FHK Series, ISO B, 3/4" Two Way Shut-off, Plug, Stainless Steel
In stockSeries: FHK Part Number: K6S/S Interchange: ISO B 7241-1 Plug Body: 3/4" Valved Thread: 3/4" Female NPT, FPT Material: Stainless Steel Quantity: 1
Original price $ 102.89Original price $ 102.89 - Original price $ 102.89Original price $ 102.89Current price $ 72.02$ 72.02 - $ 72.02Current price $ 72.02Save 30% -
Original price $ 68.29Original price $ 68.29 - Original price $ 68.29Original price $ 68.29Current price $ 47.80$ 47.80 - $ 47.80Current price $ 47.80
Foster K4S/S, FHK Series, ISO B, 1/2" Two Way Shut-off, Plug, Stainless Steel
In stockSeries: FHK Part Number: K4S/S Interchange: ISO B 7241-1 Plug Body: 1/2" Valved Thread: 1/2" Female NPT, FPT Material: Stainless Steel Quantity: 1
Original price $ 68.29Original price $ 68.29 - Original price $ 68.29Original price $ 68.29Current price $ 47.80$ 47.80 - $ 47.80Current price $ 47.80Save 30% -
Original price $ 20.59Original price $ 20.59 - Original price $ 20.59Original price $ 20.59Current price $ 14.41$ 14.41 - $ 14.41Current price $ 14.41
Foster K4S, FHK Series, ISO B, 1/2" Two Way Shut-off, Plug, Steel
In stockSeries: FHK Part Number: K4S Interchange: ISO B 7241-1 Plug Body: 1/2" Valved Thread: 1/2" Female NPT, FPT Material: Solid Steel Quantity: 1
Original price $ 20.59Original price $ 20.59 - Original price $ 20.59Original price $ 20.59Current price $ 14.41$ 14.41 - $ 14.41Current price $ 14.41Save 30% -
Original price $ 39.09Original price $ 39.09 - Original price $ 39.09Original price $ 39.09Current price $ 27.36$ 27.36 - $ 27.36Current price $ 27.36
Foster K3S/S, FHK Series, ISO B, 3/8" Two Way Shut-off, Plug, Stainless Steel
In stockSeries: FHK Part Number: K3S/S Interchange: ISO B 7241-1 Plug Body: 3/8" Valved Thread: 3/8" Female NPT, FPT Material: Stainless Steel Quantity: 1
Original price $ 39.09Original price $ 39.09 - Original price $ 39.09Original price $ 39.09Current price $ 27.36$ 27.36 - $ 27.36Current price $ 27.36Save 30% -
Original price $ 366.39Original price $ 366.39 - Original price $ 366.39Original price $ 366.39Current price $ 256.47$ 256.47 - $ 256.47Current price $ 256.47
Foster H8S/S, FHK Series, ISO B, 1" Two Way Shut-off, Coupler, Stainless Steel
In stockSeries: FHK Part Number: H8S/S Interchange: ISO B 7241-1 Coupler Body: 1" Valved Thread: 1" Female NPT, FPT Material: Stainless Steel Quantity: 1
Original price $ 366.39Original price $ 366.39 - Original price $ 366.39Original price $ 366.39Current price $ 256.47$ 256.47 - $ 256.47Current price $ 256.47Save 30% -
Original price $ 103.99Original price $ 103.99 - Original price $ 103.99Original price $ 103.99Current price $ 72.79$ 72.79 - $ 72.79Current price $ 72.79
Foster H8S, FHK Series, ISO B, 1" Two Way Shut-off, Coupler, Steel
In stockSeries: FHK Part Number: H8S Interchange: ISO B 7241-1 Coupler Body: 1" Valved Thread: 1" Female NPT, FPT Material: Solid Steel Quantity: 1
Original price $ 103.99Original price $ 103.99 - Original price $ 103.99Original price $ 103.99Current price $ 72.79$ 72.79 - $ 72.79Current price $ 72.79Save 30% -
Original price $ 247.49Original price $ 247.49 - Original price $ 247.49Original price $ 247.49Current price $ 173.24$ 173.24 - $ 173.24Current price $ 173.24
Foster H6S/S, FHK Series, ISO B, 3/4" Two Way Shut-off, Coupler, Stainless Steel
In stockSeries: FHK Part Number: H6S/S Interchange: ISO B 7241-1 Coupler Body: 3/4" Valved Thread: 3/4" Female NPT, FPT Material: Solid Steel Quantity: 1
Original price $ 247.49Original price $ 247.49 - Original price $ 247.49Original price $ 247.49Current price $ 173.24$ 173.24 - $ 173.24Current price $ 173.24Save 30% -
Original price $ 84.59Original price $ 84.59 - Original price $ 84.59Original price $ 84.59Current price $ 59.21$ 59.21 - $ 59.21Current price $ 59.21
Foster H6S, FHK Series, ISO B, 3/4" Two Way Shut-off, Coupler, Steel
In stockSeries: FHK Part Number: H6S Interchange: ISO B 7241-1 Coupler Body: 3/4" Valved Thread: 3/4" Female NPT, FPT Material: Solid Steel Quantity: 1
Original price $ 84.59Original price $ 84.59 - Original price $ 84.59Original price $ 84.59Current price $ 59.21$ 59.21 - $ 59.21Current price $ 59.21Save 30% -
Original price $ 152.19Original price $ 152.19 - Original price $ 152.19Original price $ 152.19Current price $ 106.53$ 106.53 - $ 106.53Current price $ 106.53
Foster H4S/S, FHK Series, ISO B, 1/2" Two Way Shut-off, Coupler, Stainless Steel
In stockSeries: FHK Part Number: H4S/S Interchange: ISO B 7241-1 Coupler Body: 1/2" Valved Thread: 1/2" Female NPT, FPT Material: Stainless Steel Quantity: 1
Original price $ 152.19Original price $ 152.19 - Original price $ 152.19Original price $ 152.19Current price $ 106.53$ 106.53 - $ 106.53Current price $ 106.53Save 30% -
Original price $ 47.99Original price $ 47.99 - Original price $ 47.99Original price $ 47.99Current price $ 33.59$ 33.59 - $ 33.59Current price $ 33.59
Foster H4S, FHK Series, ISO B, 1/2" Two Way Shut-off, Coupler, Steel
In stockSeries: FHK Part Number: H4S Interchange: ISO B 7241-1 Coupler Body: 1/2" Valved Thread: 1/2" Female NPT, FPT Material: Solid Steel Quantity: 1
Original price $ 47.99Original price $ 47.99 - Original price $ 47.99Original price $ 47.99Current price $ 33.59$ 33.59 - $ 33.59Current price $ 33.59Save 30% -
Original price $ 86.49Original price $ 86.49 - Original price $ 86.49Original price $ 86.49Current price $ 60.54$ 60.54 - $ 60.54Current price $ 60.54
Foster H3S/S, FHK Series, ISO B, 3/8" Two Way Shut-off, Coupler, Stainless Steel
In stockSeries: FHK Part Number: H3S/S Interchange: ISO B 7241-1 Coupler Body: 3/8" Valved Thread: 3/8" Female NPT, FPT Material: Stainless Steel Quantity: 1
Original price $ 86.49Original price $ 86.49 - Original price $ 86.49Original price $ 86.49Current price $ 60.54$ 60.54 - $ 60.54Current price $ 60.54Save 30% -
Original price $ 32.33Original price $ 32.33 - Original price $ 32.33Original price $ 32.33Current price $ 22.63$ 22.63 - $ 22.63Current price $ 22.63
Foster H3S, FHK Series, ISO B, 3/8" Two Way Shut-off, Coupler, Steel
In stockSeries: FHK Part Number: H3S Interchange: ISO B 7241-1 Coupler Body: 3/8" Valved Thread: 3/8" Female NPT, FPT Material: Solid Steel Quantity: 1
Original price $ 32.33Original price $ 32.33 - Original price $ 32.33Original price $ 32.33Current price $ 22.63$ 22.63 - $ 22.63Current price $ 22.63Save 30% -
Original price $ 23.69Original price $ 23.69 - Original price $ 23.69Original price $ 23.69Current price $ 16.58$ 16.58 - $ 16.58Current price $ 16.58
Foster H2S, FHK Series, ISO B, 1/4" Two Way Shut-off, Coupler, Steel
In stockSeries: FHK Part Number: H2S Interchange: ISO B 7241-1 Coupler Body: 1/4" Valved Thread: 1/4" Female NPT, FPT Material: Solid Steel Quantity: 1
Original price $ 23.69Original price $ 23.69 - Original price $ 23.69Original price $ 23.69Current price $ 16.58$ 16.58 - $ 16.58Current price $ 16.58Save 30% -
Original price $ 6.59Original price $ 6.59 - Original price $ 6.59Original price $ 6.59Current price $ 4.61$ 4.61 - $ 4.61Current price $ 4.61
Foster 310-43, Aro 310 Series, Plug, Automatic, 3/8" Female NPT, Steel
In stockSeries: 310 Part number: 310-43 Interchange: Aro 310 Body: 3/8" Plug, Automatic Thread: 3/8" Female NPT, FPT Material: Heavy-Duty Steel Ra...
View full detailsOriginal price $ 6.59Original price $ 6.59 - Original price $ 6.59Original price $ 6.59Current price $ 4.61$ 4.61 - $ 4.61Current price $ 4.61Save 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 310-42, Aro 310 Series, Plug, Automatic, 3/8" Male NPT, Steel
In stockSeries: 310 Part number: 310-42 Interchange: Aro 310 Body: 3/8" Plug, Automatic Thread: 3/8" Male NPT, MPT Material: Heavy-Duty Steel Rate...
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 $ 65.99Original price $ 65.99 - Original price $ 65.99Original price $ 65.99Current price $ 46.19$ 46.19 - $ 46.19Current price $ 46.19
Foster 7006, 6 Series, Industrial Coupler, Automatic, 1" Hose Barb, Brass
In stockSeries: 6 Part Number: FM7006 Interchange: Industrial Body: 3/4" Coupler, Automatic Thread: 1" Hose Barb Material: Heavy-Duty Brass Rated...
View full detailsOriginal price $ 65.99Original price $ 65.99 - Original price $ 65.99Original price $ 65.99Current price $ 46.19$ 46.19 - $ 46.19Current price $ 46.19Save 30%
