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☀️ Take an Additional 10% Off Your Entire Order with code GEARUP10 at checkout.
☀️ Additional 10% Off • GEARUP10

Foster TF4 Series Couplers

Foster TF4 Series pneumatic quick couplers and plugs, interchangeable with the Tru-Flate automotive design in a 3/8" body. Rated 300 PSI, one-way shut-off, automatic connect with a steel tubular valve for high air flow. Ideal for air compressors, pneumatic tools, grease guns, and paint applicators. Brass/steel construction; sleeve-guard versions available.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 595.00
$ 595.00 - $ 595.00
$ 595.00
$ 476.00
$ 476.00 - $ 476.00
$ 476.00

Foster TF1714, 3/8" Tru-Flate Coupler x Push-On Hose Stem, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF1714 is a brass and steel 3/8" coupler from t...

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$ 595.00
$ 595.00 - $ 595.00
$ 595.00
$ 476.00
$ 476.00 - $ 476.00
$ 476.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 640.00
$ 640.00 - $ 640.00
$ 640.00
$ 512.00
$ 512.00 - $ 512.00
$ 512.00

Foster TF1814, 3/8" Tru-Flate Coupler x Push-On Hose Stem, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF1814 is a brass and steel 3/8" coupler from t...

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$ 640.00
$ 640.00 - $ 640.00
$ 640.00
$ 512.00
$ 512.00 - $ 512.00
$ 512.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 19% Save %
$ 101.00
$ 101.00 - $ 101.00
$ 101.00
$ 82.00
$ 82.00 - $ 82.00
$ 82.00

Foster TF40, 3/8" Tru-Flate Plug x 1/4" Male NPT, TF4 Series, Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF40 is a steel 3/8" plug from the Foster TF4 S...

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$ 101.00
$ 101.00 - $ 101.00
$ 101.00
$ 82.00
$ 82.00 - $ 82.00
$ 82.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 540.00
$ 540.00 - $ 540.00
$ 540.00
$ 433.00
$ 433.00 - $ 433.00
$ 433.00

Foster TF4004, 3/8" Tru-Flate Coupler x 1/4" Female NPT, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4004 is a brass and steel 3/8" coupler from t...

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$ 540.00
$ 540.00 - $ 540.00
$ 540.00
$ 433.00
$ 433.00 - $ 433.00
$ 433.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 118.00
$ 118.00 - $ 118.00
$ 118.00

Foster TF41, 3/8" Tru-Flate Plug x 1/4" Female NPT, TF4 Series, Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF41 is a steel 3/8" plug from the Foster TF4 S...

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$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 118.00
$ 118.00 - $ 118.00
$ 118.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 540.00
$ 540.00 - $ 540.00
$ 540.00
$ 433.00
$ 433.00 - $ 433.00
$ 433.00

Foster TF4104, 3/8" Tru-Flate Coupler x 1/4" Male NPT, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4104 is a brass and steel 3/8" coupler from t...

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$ 540.00
$ 540.00 - $ 540.00
$ 540.00
$ 433.00
$ 433.00 - $ 433.00
$ 433.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 134.00
$ 134.00 - $ 134.00
$ 134.00
$ 108.00
$ 108.00 - $ 108.00
$ 108.00

Foster TF42, 3/8" Tru-Flate Plug x 3/8" Male NPT, TF4 Series, Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF42 is a steel 3/8" plug from the Foster TF4 S...

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$ 134.00
$ 134.00 - $ 134.00
$ 134.00
$ 108.00
$ 108.00 - $ 108.00
$ 108.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 569.00
$ 569.00 - $ 569.00
$ 569.00
$ 455.00
$ 455.00 - $ 455.00
$ 455.00

Foster TF4204, 3/8" Tru-Flate Coupler x 3/8" Female NPT, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4204 is a brass and steel 3/8" coupler from t...

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$ 569.00
$ 569.00 - $ 569.00
$ 569.00
$ 455.00
$ 455.00 - $ 455.00
$ 455.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 137.00
$ 137.00 - $ 137.00
$ 137.00
$ 109.00
$ 109.00 - $ 109.00
$ 109.00

Foster TF43, 3/8" Tru-Flate Plug x 3/8" Female NPT, TF4 Series, Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF43 is a steel 3/8" plug from the Foster TF4 S...

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$ 137.00
$ 137.00 - $ 137.00
$ 137.00
$ 109.00
$ 109.00 - $ 109.00
$ 109.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 569.00
$ 569.00 - $ 569.00
$ 569.00
$ 455.00
$ 455.00 - $ 455.00
$ 455.00

Foster TF4304, 3/8" Tru-Flate Coupler x 3/8" Male NPT, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4304 is a brass and steel 3/8" coupler from t...

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$ 569.00
$ 569.00 - $ 569.00
$ 569.00
$ 455.00
$ 455.00 - $ 455.00
$ 455.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 594.00
$ 594.00 - $ 594.00
$ 594.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00

Foster TF4404, 3/8" Tru-Flate Coupler x 1/2" Female NPT, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4404 is a brass and steel 3/8" coupler from t...

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$ 594.00
$ 594.00 - $ 594.00
$ 594.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 594.00
$ 594.00 - $ 594.00
$ 594.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00

Foster TF4504, 3/8" Tru-Flate Coupler x 1/2" Male NPT, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4504 is a brass and steel 3/8" coupler from t...

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$ 594.00
$ 594.00 - $ 594.00
$ 594.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 459.00
$ 459.00 - $ 459.00
$ 459.00

Foster TF4604, 3/8" Tru-Flate Coupler x 1/4" Hose ID, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4604 is a brass and steel 3/8" coupler from t...

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$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 459.00
$ 459.00 - $ 459.00
$ 459.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 627.00
$ 627.00 - $ 627.00
$ 627.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00

Foster TF4704, 3/8" Tru-Flate Coupler x 5/16" Hose ID, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4704 is a brass and steel 3/8" coupler from t...

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$ 627.00
$ 627.00 - $ 627.00
$ 627.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 182.00
$ 182.00 - $ 182.00
$ 182.00
$ 146.00
$ 146.00 - $ 146.00
$ 146.00

Foster TF48, 3/8" Tru-Flate Plug x 3/8" Hose ID, TF4 Series, Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF48 is a steel 3/8" plug from the Foster TF4 S...

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$ 182.00
$ 182.00 - $ 182.00
$ 182.00
$ 146.00
$ 146.00 - $ 146.00
$ 146.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 595.00
$ 595.00 - $ 595.00
$ 595.00
$ 476.00
$ 476.00 - $ 476.00
$ 476.00

Foster TF4804, 3/8" Tru-Flate Coupler x 3/8" Hose ID, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4804 is a brass and steel 3/8" coupler from t...

View full details
$ 595.00
$ 595.00 - $ 595.00
$ 595.00
$ 476.00
$ 476.00 - $ 476.00
$ 476.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 630.00
$ 630.00 - $ 630.00
$ 630.00
$ 504.00
$ 504.00 - $ 504.00
$ 504.00

Foster TF4904, 3/8" Tru-Flate Coupler x 1/2" Hose ID, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TF4904 is a brass and steel 3/8" coupler from t...

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$ 630.00
$ 630.00 - $ 630.00
$ 630.00
$ 504.00
$ 504.00 - $ 504.00
$ 504.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 701.00
$ 701.00 - $ 701.00
$ 701.00
$ 561.00
$ 561.00 - $ 561.00
$ 561.00

Foster TFSB34, 3/8" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSB34 is a brass and steel 3/8" coupler from t...

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$ 701.00
$ 701.00 - $ 701.00
$ 701.00
$ 561.00
$ 561.00 - $ 561.00
$ 561.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 564.00
$ 564.00 - $ 564.00
$ 564.00

Foster TFSB54, 3/8" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSB54 is a brass and steel 3/8" coupler from t...

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$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 564.00
$ 564.00 - $ 564.00
$ 564.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 708.00
$ 708.00 - $ 708.00
$ 708.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00

Foster TFSB74, 3/8" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSB74 is a brass and steel 3/8" coupler from t...

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$ 708.00
$ 708.00 - $ 708.00
$ 708.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 564.00
$ 564.00 - $ 564.00
$ 564.00

Foster TFSD114, 3/8" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSD114 is a brass and steel 3/8" coupler from ...

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$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 564.00
$ 564.00 - $ 564.00
$ 564.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 744.00
$ 744.00 - $ 744.00
$ 744.00
$ 595.00
$ 595.00 - $ 595.00
$ 595.00

Foster TFSD134, 3/8" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSD134 is a brass and steel 3/8" coupler from ...

View full details
$ 744.00
$ 744.00 - $ 744.00
$ 744.00
$ 595.00
$ 595.00 - $ 595.00
$ 595.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 708.00
$ 708.00 - $ 708.00
$ 708.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00

Foster TFSD74, 3/8" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSD74 is a brass and steel 3/8" coupler from t...

View full details
$ 708.00
$ 708.00 - $ 708.00
$ 708.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 713.00
$ 713.00 - $ 713.00
$ 713.00
$ 569.00
$ 569.00 - $ 569.00
$ 569.00

Foster TFSD94, 3/8" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF4 Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSD94 is a brass and steel 3/8" coupler from t...

View full details
$ 713.00
$ 713.00 - $ 713.00
$ 713.00
$ 569.00
$ 569.00 - $ 569.00
$ 569.00
Save 20% Save %

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