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Foster FF Plus Series Couplers

Foster FF Plus Series flat-face hydraulic quick couplers and plugs — the upgraded ISO 16028 flush-face line. The flat-face design minimizes fluid spillage and air inclusion at connection, with bidirectional flow and an optional Connect-Under-Pressure design. Offered in nickel-plated steel and 316 stainless, salt-spray tested to 1,200 hours. Body sizes 1/4" to 1-1/2", NPT and SAE ORB threads.

  • Original price $ 4.09
    Original price $ 4.09 - Original price $ 4.09
    Original price $ 4.09
    Current price $ 3.29
    $ 3.29 - $ 3.29
    Current price $ 3.29

    Foster 12FFPDC, 1/2" FF Plus Plug Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 1/2" FF Plus flat-face couplers clean and protected. The Foster 12FFPDC PVC dust cap shields the flat sealing face from dirt and debris w...

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    Original price $ 4.09
    Original price $ 4.09 - Original price $ 4.09
    Original price $ 4.09
    Current price $ 3.29
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    Current price $ 3.29
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  • Original price $ 3.89
    Original price $ 3.89 - Original price $ 3.89
    Original price $ 3.89
    Current price $ 3.19
    $ 3.19 - $ 3.19
    Current price $ 3.19

    Foster 12FFSDC, 1/2" FF Plus Socket Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 1/2" FF Plus flat-face couplers clean and protected. The Foster 12FFSDC PVC dust cap shields the flat sealing face from dirt and debris w...

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    Original price $ 3.89
    Original price $ 3.89 - Original price $ 3.89
    Original price $ 3.89
    Current price $ 3.19
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    Current price $ 3.19
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  • Original price $ 4.39
    Original price $ 4.39 - Original price $ 4.39
    Original price $ 4.39
    Current price $ 3.49
    $ 3.49 - $ 3.49
    Current price $ 3.49

    Foster 16FFPDC, 5/8" FF Plus Plug Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 5/8" FF Plus flat-face couplers clean and protected. The Foster 16FFPDC PVC dust cap shields the flat sealing face from dirt and debris w...

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    Original price $ 4.39
    Original price $ 4.39 - Original price $ 4.39
    Original price $ 4.39
    Current price $ 3.49
    $ 3.49 - $ 3.49
    Current price $ 3.49
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  • Original price $ 4.19
    Original price $ 4.19 - Original price $ 4.19
    Original price $ 4.19
    Current price $ 3.39
    $ 3.39 - $ 3.39
    Current price $ 3.39

    Foster 16FFSDC, 5/8" FF Plus Socket Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 5/8" FF Plus flat-face couplers clean and protected. The Foster 16FFSDC PVC dust cap shields the flat sealing face from dirt and debris w...

    View full details
    Original price $ 4.19
    Original price $ 4.19 - Original price $ 4.19
    Original price $ 4.19
    Current price $ 3.39
    $ 3.39 - $ 3.39
    Current price $ 3.39
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  • Original price $ 4.59
    Original price $ 4.59 - Original price $ 4.59
    Original price $ 4.59
    Current price $ 3.59
    $ 3.59 - $ 3.59
    Current price $ 3.59

    Foster 19FFPDC, 3/4" FF Plus Plug Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 3/4" FF Plus flat-face couplers clean and protected. The Foster 19FFPDC PVC dust cap shields the flat sealing face from dirt and debris w...

    View full details
    Original price $ 4.59
    Original price $ 4.59 - Original price $ 4.59
    Original price $ 4.59
    Current price $ 3.59
    $ 3.59 - $ 3.59
    Current price $ 3.59
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  • Original price $ 4.39
    Original price $ 4.39 - Original price $ 4.39
    Original price $ 4.39
    Current price $ 3.49
    $ 3.49 - $ 3.49
    Current price $ 3.49

    Foster 19FFSDC, 3/4" FF Plus Socket Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 3/4" FF Plus flat-face couplers clean and protected. The Foster 19FFSDC PVC dust cap shields the flat sealing face from dirt and debris w...

    View full details
    Original price $ 4.39
    Original price $ 4.39 - Original price $ 4.39
    Original price $ 4.39
    Current price $ 3.49
    $ 3.49 - $ 3.49
    Current price $ 3.49
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  • Original price $ 6.89
    Original price $ 6.89 - Original price $ 6.89
    Original price $ 6.89
    Current price $ 5.49
    $ 5.49 - $ 5.49
    Current price $ 5.49

    Foster 25FFPDC, 1" FF Plus Plug Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 1" FF Plus flat-face couplers clean and protected. The Foster 25FFPDC PVC dust cap shields the flat sealing face from dirt and debris whe...

    View full details
    Original price $ 6.89
    Original price $ 6.89 - Original price $ 6.89
    Original price $ 6.89
    Current price $ 5.49
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    Current price $ 5.49
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  • Original price $ 6.59
    Original price $ 6.59 - Original price $ 6.59
    Original price $ 6.59
    Current price $ 5.29
    $ 5.29 - $ 5.29
    Current price $ 5.29

    Foster 25FFSDC, 1" FF Plus Socket Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 1" FF Plus flat-face couplers clean and protected. The Foster 25FFSDC PVC dust cap shields the flat sealing face from dirt and debris whe...

    View full details
    Original price $ 6.59
    Original price $ 6.59 - Original price $ 6.59
    Original price $ 6.59
    Current price $ 5.29
    $ 5.29 - $ 5.29
    Current price $ 5.29
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  • Original price $ 2.49
    Original price $ 2.49 - Original price $ 2.49
    Original price $ 2.49
    Current price $ 1.99
    $ 1.99 - $ 1.99
    Current price $ 1.99

    Foster 6FFPDC, 1/4" FF Plus Plug Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 1/4" FF Plus flat-face couplers clean and protected. The Foster 6FFPDC PVC dust cap shields the flat sealing face from dirt and debris wh...

    View full details
    Original price $ 2.49
    Original price $ 2.49 - Original price $ 2.49
    Original price $ 2.49
    Current price $ 1.99
    $ 1.99 - $ 1.99
    Current price $ 1.99
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  • Original price $ 2.39
    Original price $ 2.39 - Original price $ 2.39
    Original price $ 2.39
    Current price $ 1.89
    $ 1.89 - $ 1.89
    Current price $ 1.89

    Foster 6FFSDC, 1/4" FF Plus Socket Dust Cap, FF Plus Series, PVC

    In stock

    Keep your 1/4" FF Plus flat-face couplers clean and protected. The Foster 6FFSDC PVC dust cap shields the flat sealing face from dirt and debris wh...

    View full details
    Original price $ 2.39
    Original price $ 2.39 - Original price $ 2.39
    Original price $ 2.39
    Current price $ 1.89
    $ 1.89 - $ 1.89
    Current price $ 1.89
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  • Original price $ 128.39
    Original price $ 128.39 - Original price $ 128.39
    Original price $ 128.39
    Current price $ 102.79
    $ 102.79 - $ 102.79
    Current price $ 102.79

    Foster FF10CUPP-06, 3/8" Flat Face Connect-Under-Pressure Hydraulic Plug x 3/8" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10CUPP-06 is a nickel-plated steel 3/8" plug from...

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    Original price $ 128.39
    Original price $ 128.39 - Original price $ 128.39
    Original price $ 128.39
    Current price $ 102.79
    $ 102.79 - $ 102.79
    Current price $ 102.79
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  • Original price $ 128.39
    Original price $ 128.39 - Original price $ 128.39
    Original price $ 128.39
    Current price $ 102.79
    $ 102.79 - $ 102.79
    Current price $ 102.79

    Foster FF10CUPP-08, 3/8" Flat Face Connect-Under-Pressure Hydraulic Plug x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10CUPP-08 is a nickel-plated steel 3/8" plug from...

    View full details
    Original price $ 128.39
    Original price $ 128.39 - Original price $ 128.39
    Original price $ 128.39
    Current price $ 102.79
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    Current price $ 102.79
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  • Original price $ 21.79
    Original price $ 21.79 - Original price $ 21.79
    Original price $ 21.79
    Current price $ 17.39
    $ 17.39 - $ 17.39
    Current price $ 17.39

    Foster FF10P-06, 3/8" Flat Face Hydraulic Plug x 3/8" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10P-06 is a nickel-plated steel 3/8" plug from th...

    View full details
    Original price $ 21.79
    Original price $ 21.79 - Original price $ 21.79
    Original price $ 21.79
    Current price $ 17.39
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    Current price $ 17.39
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  • Original price $ 275.59
    Original price $ 275.59 - Original price $ 275.59
    Original price $ 275.59
    Current price $ 220.49
    $ 220.49 - $ 220.49
    Current price $ 220.49

    Foster FF10P-06SS, 3/8" Flat Face Hydraulic Plug x 3/8" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10P-06SS is a 316 stainless steel 3/8" plug from ...

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    Original price $ 275.59
    Original price $ 275.59 - Original price $ 275.59
    Original price $ 275.59
    Current price $ 220.49
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    Current price $ 220.49
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  • Original price $ 26.19
    Original price $ 26.19 - Original price $ 26.19
    Original price $ 26.19
    Current price $ 20.99
    $ 20.99 - $ 20.99
    Current price $ 20.99

    Foster FF10P-08, 3/8" Flat Face Hydraulic Plug x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10P-08 is a nickel-plated steel 3/8" plug from th...

    View full details
    Original price $ 26.19
    Original price $ 26.19 - Original price $ 26.19
    Original price $ 26.19
    Current price $ 20.99
    $ 20.99 - $ 20.99
    Current price $ 20.99
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  • Original price $ 314.99
    Original price $ 314.99 - Original price $ 314.99
    Original price $ 314.99
    Current price $ 251.99
    $ 251.99 - $ 251.99
    Current price $ 251.99

    Foster FF10P-08SS, 3/8" Flat Face Hydraulic Plug x 1/2" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10P-08SS is a 316 stainless steel 3/8" plug from ...

    View full details
    Original price $ 314.99
    Original price $ 314.99 - Original price $ 314.99
    Original price $ 314.99
    Current price $ 251.99
    $ 251.99 - $ 251.99
    Current price $ 251.99
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  • Original price $ 32.59
    Original price $ 32.59 - Original price $ 32.59
    Original price $ 32.59
    Current price $ 26.09
    $ 26.09 - $ 26.09
    Current price $ 26.09

    Foster FF10P-75ORB, 3/8" Flat Face Hydraulic Plug x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10P-75ORB is a nickel-plated steel 3/8" plug from...

    View full details
    Original price $ 32.59
    Original price $ 32.59 - Original price $ 32.59
    Original price $ 32.59
    Current price $ 26.09
    $ 26.09 - $ 26.09
    Current price $ 26.09
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  • Original price $ 60.09
    Original price $ 60.09 - Original price $ 60.09
    Original price $ 60.09
    Current price $ 48.09
    $ 48.09 - $ 48.09
    Current price $ 48.09

    Foster FF10S-06, 3/8" Flat Face Hydraulic Coupler x 3/8" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-06 is a nickel-plated steel 3/8" coupler from...

    View full details
    Original price $ 60.09
    Original price $ 60.09 - Original price $ 60.09
    Original price $ 60.09
    Current price $ 48.09
    $ 48.09 - $ 48.09
    Current price $ 48.09
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  • Original price $ 452.79
    Original price $ 452.79 - Original price $ 452.79
    Original price $ 452.79
    Current price $ 362.19
    $ 362.19 - $ 362.19
    Current price $ 362.19

    Foster FF10S-06SS, 3/8" Flat Face Hydraulic Coupler x 3/8" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-06SS is a 316 stainless steel 3/8" coupler fr...

    View full details
    Original price $ 452.79
    Original price $ 452.79 - Original price $ 452.79
    Original price $ 452.79
    Current price $ 362.19
    $ 362.19 - $ 362.19
    Current price $ 362.19
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  • Original price $ 58.99
    Original price $ 58.99 - Original price $ 58.99
    Original price $ 58.99
    Current price $ 47.19
    $ 47.19 - $ 47.19
    Current price $ 47.19

    Foster FF10S-08, 3/8" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-08 is a nickel-plated steel 3/8" coupler from...

    View full details
    Original price $ 58.99
    Original price $ 58.99 - Original price $ 58.99
    Original price $ 58.99
    Current price $ 47.19
    $ 47.19 - $ 47.19
    Current price $ 47.19
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  • Original price $ 492.09
    Original price $ 492.09 - Original price $ 492.09
    Original price $ 492.09
    Current price $ 393.69
    $ 393.69 - $ 393.69
    Current price $ 393.69

    Foster FF10S-08SS, 3/8" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, 316 Stainless Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-08SS is a 316 stainless steel 3/8" coupler fr...

    View full details
    Original price $ 492.09
    Original price $ 492.09 - Original price $ 492.09
    Original price $ 492.09
    Current price $ 393.69
    $ 393.69 - $ 393.69
    Current price $ 393.69
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  • Original price $ 73.29
    Original price $ 73.29 - Original price $ 73.29
    Original price $ 73.29
    Current price $ 58.59
    $ 58.59 - $ 58.59
    Current price $ 58.59

    Foster FF10S-75ORB, 3/8" Flat Face Hydraulic Coupler x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-75ORB is a nickel-plated steel 3/8" coupler f...

    View full details
    Original price $ 73.29
    Original price $ 73.29 - Original price $ 73.29
    Original price $ 73.29
    Current price $ 58.59
    $ 58.59 - $ 58.59
    Current price $ 58.59
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  • Original price $ 144.09
    Original price $ 144.09 - Original price $ 144.09
    Original price $ 144.09
    Current price $ 115.29
    $ 115.29 - $ 115.29
    Current price $ 115.29

    Foster FF12CUPP-08, 1/2" Flat Face Connect-Under-Pressure Hydraulic Plug x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12CUPP-08 is a nickel-plated steel 1/2" plug from...

    View full details
    Original price $ 144.09
    Original price $ 144.09 - Original price $ 144.09
    Original price $ 144.09
    Current price $ 115.29
    $ 115.29 - $ 115.29
    Current price $ 115.29
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  • Original price $ 144.09
    Original price $ 144.09 - Original price $ 144.09
    Original price $ 144.09
    Current price $ 115.29
    $ 115.29 - $ 115.29
    Current price $ 115.29

    Foster FF12CUPP-12, 1/2" Flat Face Connect-Under-Pressure Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

    In stock

    Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12CUPP-12 is a nickel-plated steel 1/2" plug from...

    View full details
    Original price $ 144.09
    Original price $ 144.09 - Original price $ 144.09
    Original price $ 144.09
    Current price $ 115.29
    $ 115.29 - $ 115.29
    Current price $ 115.29
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