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

Pneumatic Quick Couplers

Pneumatic quick couplers connect and disconnect air lines in one quick motion, no tools required. This collection covers the full range of air quick couplers and plugs across every interchange, from miniature 2 Series to industrial body sizes, in steel, brass, and stainless. Filter by series, body size, thread, and material to find the exact coupler or plug your air system needs.

Filters

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
$ 571.00
$ 571.00 - $ 571.00
$ 571.00

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...

View full details
$ 713.00
$ 713.00 - $ 713.00
$ 713.00
$ 571.00
$ 571.00 - $ 571.00
$ 571.00
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 %
$ 641.00
$ 641.00 - $ 641.00
$ 641.00
$ 512.00
$ 512.00 - $ 512.00
$ 512.00

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...

View full details
$ 641.00
$ 641.00 - $ 641.00
$ 641.00
$ 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 20% Save %
$ 606.00
$ 606.00 - $ 606.00
$ 606.00
$ 484.00
$ 484.00 - $ 484.00
$ 484.00

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
$ 606.00
$ 606.00 - $ 606.00
$ 606.00
$ 484.00
$ 484.00 - $ 484.00
$ 484.00
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 %
$ 583.00
$ 583.00 - $ 583.00
$ 583.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00

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...

View full details
$ 583.00
$ 583.00 - $ 583.00
$ 583.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00
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 %
$ 185.00
$ 185.00 - $ 185.00
$ 185.00
$ 148.00
$ 148.00 - $ 148.00
$ 148.00

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...

View full details
$ 185.00
$ 185.00 - $ 185.00
$ 185.00
$ 148.00
$ 148.00 - $ 148.00
$ 148.00
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 %
$ 637.00
$ 637.00 - $ 637.00
$ 637.00
$ 511.00
$ 511.00 - $ 511.00
$ 511.00

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...

View full details
$ 637.00
$ 637.00 - $ 637.00
$ 637.00
$ 511.00
$ 511.00 - $ 511.00
$ 511.00
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 %
$ 604.00
$ 604.00 - $ 604.00
$ 604.00
$ 483.00
$ 483.00 - $ 483.00
$ 483.00

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...

View full details
$ 604.00
$ 604.00 - $ 604.00
$ 604.00
$ 483.00
$ 483.00 - $ 483.00
$ 483.00
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 %
$ 604.00
$ 604.00 - $ 604.00
$ 604.00
$ 483.00
$ 483.00 - $ 483.00
$ 483.00

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...

View full details
$ 604.00
$ 604.00 - $ 604.00
$ 604.00
$ 483.00
$ 483.00 - $ 483.00
$ 483.00
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 %
$ 579.00
$ 579.00 - $ 579.00
$ 579.00
$ 463.00
$ 463.00 - $ 463.00
$ 463.00

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...

View full details
$ 579.00
$ 579.00 - $ 579.00
$ 579.00
$ 463.00
$ 463.00 - $ 463.00
$ 463.00
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 %
$ 139.00
$ 139.00 - $ 139.00
$ 139.00
$ 111.00
$ 111.00 - $ 111.00
$ 111.00

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...

View full details
$ 139.00
$ 139.00 - $ 139.00
$ 139.00
$ 111.00
$ 111.00 - $ 111.00
$ 111.00
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 %
$ 579.00
$ 579.00 - $ 579.00
$ 579.00
$ 463.00
$ 463.00 - $ 463.00
$ 463.00

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...

View full details
$ 579.00
$ 579.00 - $ 579.00
$ 579.00
$ 463.00
$ 463.00 - $ 463.00
$ 463.00
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 %
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 109.00
$ 109.00 - $ 109.00
$ 109.00

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...

View full details
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 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 %
$ 549.00
$ 549.00 - $ 549.00
$ 549.00
$ 440.00
$ 440.00 - $ 440.00
$ 440.00

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...

View full details
$ 549.00
$ 549.00 - $ 549.00
$ 549.00
$ 440.00
$ 440.00 - $ 440.00
$ 440.00
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 %
$ 150.00
$ 150.00 - $ 150.00
$ 150.00
$ 120.00
$ 120.00 - $ 120.00
$ 120.00

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...

View full details
$ 150.00
$ 150.00 - $ 150.00
$ 150.00
$ 120.00
$ 120.00 - $ 120.00
$ 120.00
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 %
$ 549.00
$ 549.00 - $ 549.00
$ 549.00
$ 440.00
$ 440.00 - $ 440.00
$ 440.00

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...

View full details
$ 549.00
$ 549.00 - $ 549.00
$ 549.00
$ 440.00
$ 440.00 - $ 440.00
$ 440.00
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 %
$ 102.00
$ 102.00 - $ 102.00
$ 102.00
$ 83.00
$ 83.00 - $ 83.00
$ 83.00

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...

View full details
$ 102.00
$ 102.00 - $ 102.00
$ 102.00
$ 83.00
$ 83.00 - $ 83.00
$ 83.00
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 %
$ 652.00
$ 652.00 - $ 652.00
$ 652.00
$ 521.00
$ 521.00 - $ 521.00
$ 521.00

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...

View full details
$ 652.00
$ 652.00 - $ 652.00
$ 652.00
$ 521.00
$ 521.00 - $ 521.00
$ 521.00
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 %
$ 606.00
$ 606.00 - $ 606.00
$ 606.00
$ 484.00
$ 484.00 - $ 484.00
$ 484.00

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...

View full details
$ 606.00
$ 606.00 - $ 606.00
$ 606.00
$ 484.00
$ 484.00 - $ 484.00
$ 484.00
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 %
$ 460.00
$ 460.00 - $ 460.00
$ 460.00
$ 368.00
$ 368.00 - $ 368.00
$ 368.00

Foster TFSD9, 1/4" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSD9 is a brass and steel 1/4" coupler from th...

View full details
$ 460.00
$ 460.00 - $ 460.00
$ 460.00
$ 368.00
$ 368.00 - $ 368.00
$ 368.00
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 %
$ 447.00
$ 447.00 - $ 447.00
$ 447.00
$ 358.00
$ 358.00 - $ 358.00
$ 358.00

Foster TFSD7, 1/4" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSD7 is a brass and steel 1/4" coupler from th...

View full details
$ 447.00
$ 447.00 - $ 447.00
$ 447.00
$ 358.00
$ 358.00 - $ 358.00
$ 358.00
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 %
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
$ 379.00
$ 379.00 - $ 379.00
$ 379.00

Foster TFSD13, 1/4" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSD13 is a brass and steel 1/4" coupler from t...

View full details
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
$ 379.00
$ 379.00 - $ 379.00
$ 379.00
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 %
$ 470.00
$ 470.00 - $ 470.00
$ 470.00
$ 377.00
$ 377.00 - $ 377.00
$ 377.00

Foster TFSD11, 1/4" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSD11 is a brass and steel 1/4" coupler from t...

View full details
$ 470.00
$ 470.00 - $ 470.00
$ 470.00
$ 377.00
$ 377.00 - $ 377.00
$ 377.00
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 %
$ 634.00
$ 634.00 - $ 634.00
$ 634.00
$ 507.00
$ 507.00 - $ 507.00
$ 507.00

Foster TFSC7, 1/4" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSC7 is a brass and steel 1/4" coupler from th...

View full details
$ 634.00
$ 634.00 - $ 634.00
$ 634.00
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
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
$ 500.00
$ 500.00 - $ 500.00
$ 500.00

Foster TFSC5, 1/4" Tru-Flate Coupler x Reusable Hose Clamp Fitting, TF Series, Automatic, Brass and Steel

Fast, high-flow air connections that interchange with the Tru-Flate (automotive) design. The Foster TFSC5 is a brass and steel 1/4" coupler from th...

View full details
$ 627.00
$ 627.00 - $ 627.00
$ 627.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00
Save 20% Save %

Request a Quote

Bulk and dealer pricing. Tell us what you need and we’ll reply within one business day.