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 $ 515.00Original price $ 515.00 - Original price $ 515.00Original price $ 515.00Current price $ 361.00$ 361.00 - $ 361.00Current price $ 361.00
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 $ 515.00Original price $ 515.00 - Original price $ 515.00Original price $ 515.00Current price $ 361.00$ 361.00 - $ 361.00Current price $ 361.00Save 30% -
Original price $ 503.00Original price $ 503.00 - Original price $ 503.00Original price $ 503.00Current price $ 352.00$ 352.00 - $ 352.00Current price $ 352.00
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 $ 503.00Original price $ 503.00 - Original price $ 503.00Original price $ 503.00Current price $ 352.00$ 352.00 - $ 352.00Current price $ 352.00Save 30% -
Original price $ 449.00Original price $ 449.00 - Original price $ 449.00Original price $ 449.00Current price $ 314.00$ 314.00 - $ 314.00Current price $ 314.00
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 $ 449.00Original price $ 449.00 - Original price $ 449.00Original price $ 449.00Current price $ 314.00$ 314.00 - $ 314.00Current price $ 314.00Save 30% -
Original price $ 445.00Original price $ 445.00 - Original price $ 445.00Original price $ 445.00Current price $ 312.00$ 312.00 - $ 312.00Current price $ 312.00
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 $ 445.00Original price $ 445.00 - Original price $ 445.00Original price $ 445.00Current price $ 312.00$ 312.00 - $ 312.00Current price $ 312.00Save 30% -
Original price $ 422.00Original price $ 422.00 - Original price $ 422.00Original price $ 422.00Current price $ 296.00$ 296.00 - $ 296.00Current price $ 296.00
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 $ 422.00Original price $ 422.00 - Original price $ 422.00Original price $ 422.00Current price $ 296.00$ 296.00 - $ 296.00Current price $ 296.00Save 30% -
Original price $ 192.00Original price $ 192.00 - Original price $ 192.00Original price $ 192.00Current price $ 134.00$ 134.00 - $ 134.00Current price $ 134.00
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 $ 192.00Original price $ 192.00 - Original price $ 192.00Original price $ 192.00Current price $ 134.00$ 134.00 - $ 134.00Current price $ 134.00Save 30% -
Original price $ 3,158.00Original price $ 3,158.00 - Original price $ 3,158.00Original price $ 3,158.00Current price $ 2,211.00$ 2,211.00 - $ 2,211.00Current price $ 2,211.00
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 $ 3,158.00Original price $ 3,158.00 - Original price $ 3,158.00Original price $ 3,158.00Current price $ 2,211.00$ 2,211.00 - $ 2,211.00Current price $ 2,211.00Save 30% -
Original price $ 837.00Original price $ 837.00 - Original price $ 837.00Original price $ 837.00Current price $ 586.00$ 586.00 - $ 586.00Current price $ 586.00
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 $ 837.00Original price $ 837.00 - Original price $ 837.00Original price $ 837.00Current price $ 586.00$ 586.00 - $ 586.00Current price $ 586.00Save 30% -
Original price $ 1,809.00Original price $ 1,809.00 - Original price $ 1,809.00Original price $ 1,809.00Current price $ 1,267.00$ 1,267.00 - $ 1,267.00Current price $ 1,267.00
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 $ 1,809.00Original price $ 1,809.00 - Original price $ 1,809.00Original price $ 1,809.00Current price $ 1,267.00$ 1,267.00 - $ 1,267.00Current price $ 1,267.00Save 30% -
Original price $ 1,201.00Original price $ 1,201.00 - Original price $ 1,201.00Original price $ 1,201.00Current price $ 841.00$ 841.00 - $ 841.00Current price $ 841.00
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 $ 1,201.00Original price $ 1,201.00 - Original price $ 1,201.00Original price $ 1,201.00Current price $ 841.00$ 841.00 - $ 841.00Current price $ 841.00Save 30% -
Original price $ 362.00Original price $ 362.00 - Original price $ 362.00Original price $ 362.00Current price $ 254.00$ 254.00 - $ 254.00Current price $ 254.00
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 $ 362.00Original price $ 362.00 - Original price $ 362.00Original price $ 362.00Current price $ 254.00$ 254.00 - $ 254.00Current price $ 254.00Save 30% -
Original price $ 688.00Original price $ 688.00 - Original price $ 688.00Original price $ 688.00Current price $ 481.00$ 481.00 - $ 481.00Current price $ 481.00
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 $ 688.00Original price $ 688.00 - Original price $ 688.00Original price $ 688.00Current price $ 481.00$ 481.00 - $ 481.00Current price $ 481.00Save 30% -
Original price $ 6,442.00Original price $ 6,442.00 - Original price $ 6,442.00Original price $ 6,442.00Current price $ 4,509.00$ 4,509.00 - $ 4,509.00Current price $ 4,509.00
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 $ 6,442.00Original price $ 6,442.00 - Original price $ 6,442.00Original price $ 6,442.00Current price $ 4,509.00$ 4,509.00 - $ 4,509.00Current price $ 4,509.00Save 30% -
Original price $ 1,829.00Original price $ 1,829.00 - Original price $ 1,829.00Original price $ 1,829.00Current price $ 1,280.00$ 1,280.00 - $ 1,280.00Current price $ 1,280.00
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 $ 1,829.00Original price $ 1,829.00 - Original price $ 1,829.00Original price $ 1,829.00Current price $ 1,280.00$ 1,280.00 - $ 1,280.00Current price $ 1,280.00Save 30% -
Original price $ 4,351.00Original price $ 4,351.00 - Original price $ 4,351.00Original price $ 4,351.00Current price $ 3,046.00$ 3,046.00 - $ 3,046.00Current price $ 3,046.00
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 $ 4,351.00Original price $ 4,351.00 - Original price $ 4,351.00Original price $ 4,351.00Current price $ 3,046.00$ 3,046.00 - $ 3,046.00Current price $ 3,046.00Save 30% -
Original price $ 1,488.00Original price $ 1,488.00 - Original price $ 1,488.00Original price $ 1,488.00Current price $ 1,041.00$ 1,041.00 - $ 1,041.00Current price $ 1,041.00
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 $ 1,488.00Original price $ 1,488.00 - Original price $ 1,488.00Original price $ 1,488.00Current price $ 1,041.00$ 1,041.00 - $ 1,041.00Current price $ 1,041.00Save 30% -
Original price $ 2,676.00Original price $ 2,676.00 - Original price $ 2,676.00Original price $ 2,676.00Current price $ 1,873.00$ 1,873.00 - $ 1,873.00Current price $ 1,873.00
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 $ 2,676.00Original price $ 2,676.00 - Original price $ 2,676.00Original price $ 2,676.00Current price $ 1,873.00$ 1,873.00 - $ 1,873.00Current price $ 1,873.00Save 30% -
Original price $ 844.00Original price $ 844.00 - Original price $ 844.00Original price $ 844.00Current price $ 591.00$ 591.00 - $ 591.00Current price $ 591.00
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 $ 844.00Original price $ 844.00 - Original price $ 844.00Original price $ 844.00Current price $ 591.00$ 591.00 - $ 591.00Current price $ 591.00Save 30% -
Original price $ 1,521.00Original price $ 1,521.00 - Original price $ 1,521.00Original price $ 1,521.00Current price $ 1,065.00$ 1,065.00 - $ 1,065.00Current price $ 1,065.00
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 $ 1,521.00Original price $ 1,521.00 - Original price $ 1,521.00Original price $ 1,521.00Current price $ 1,065.00$ 1,065.00 - $ 1,065.00Current price $ 1,065.00Save 30% -
Original price $ 569.00Original price $ 569.00 - Original price $ 569.00Original price $ 569.00Current price $ 398.00$ 398.00 - $ 398.00Current price $ 398.00
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 $ 569.00Original price $ 569.00 - Original price $ 569.00Original price $ 569.00Current price $ 398.00$ 398.00 - $ 398.00Current price $ 398.00Save 30% -
Original price $ 417.00Original price $ 417.00 - Original price $ 417.00Original price $ 417.00Current price $ 292.00$ 292.00 - $ 292.00Current price $ 292.00
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 $ 417.00Original price $ 417.00 - Original price $ 417.00Original price $ 417.00Current price $ 292.00$ 292.00 - $ 292.00Current price $ 292.00Save 30% -
Original price $ 116.00Original price $ 116.00 - Original price $ 116.00Original price $ 116.00Current price $ 82.00$ 82.00 - $ 82.00Current price $ 82.00
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 $ 116.00Original price $ 116.00 - Original price $ 116.00Original price $ 116.00Current price $ 82.00$ 82.00 - $ 82.00Current price $ 82.00Save 29% -
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 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 $ 88.00Original price $ 88.00 - Original price $ 88.00Original price $ 88.00Current price $ 62.00$ 62.00 - $ 62.00Current price $ 62.00Save 30% -
Original price $ 1,161.00Original price $ 1,161.00 - Original price $ 1,161.00Original price $ 1,161.00Current price $ 813.00$ 813.00 - $ 813.00Current price $ 813.00
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 $ 1,161.00Original price $ 1,161.00 - Original price $ 1,161.00Original price $ 1,161.00Current price $ 813.00$ 813.00 - $ 813.00Current price $ 813.00Save 30%
