Skip to content

Foster

Filters

Save 20% Save %
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00

Foster 3703, 3 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — t...

View full details
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
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 %
$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 435.00
$ 435.00 - $ 435.00
$ 435.00

Foster 3703GB, 1/4" Industrial Coupler x 3/8" Hose ID, 3 Series, Automatic Slim Profile, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 435.00
$ 435.00 - $ 435.00
$ 435.00
Save 20% Save %
Save 20% Save %
$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 435.00
$ 435.00 - $ 435.00
$ 435.00

Foster 3703GB, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 435.00
$ 435.00 - $ 435.00
$ 435.00
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 %
$ 417.00
$ 417.00 - $ 417.00
$ 417.00
$ 334.00
$ 334.00 - $ 334.00
$ 334.00

Foster 3703GS, 1/4" Industrial Coupler x 3/8" Hose ID, 3 Series, Automatic Slim Profile, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 417.00
$ 417.00 - $ 417.00
$ 417.00
$ 334.00
$ 334.00 - $ 334.00
$ 334.00
Save 20% Save %
Save 20% Save %
$ 417.00
$ 417.00 - $ 417.00
$ 417.00
$ 334.00
$ 334.00 - $ 334.00
$ 334.00

Foster 3703GS, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

View full details
$ 417.00
$ 417.00 - $ 417.00
$ 417.00
$ 334.00
$ 334.00 - $ 334.00
$ 334.00
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 %
$ 360.00
$ 360.00 - $ 360.00
$ 360.00
$ 289.00
$ 289.00 - $ 289.00
$ 289.00

Foster 3703S, 1/4" Industrial Coupler x 3/8" Hose ID, 3 Series, Steam/EPDM, Brass/SS

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703S is a Brass/SS 1/4" industrial coupler from the Foster 3 Series — the...

View full details
$ 360.00
$ 360.00 - $ 360.00
$ 360.00
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
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 %
$ 1,263.00
$ 1,263.00 - $ 1,263.00
$ 1,263.00
$ 1,012.00
$ 1,012.00 - $ 1,012.00
$ 1,012.00

Foster 3703S/S, 1/4" Industrial Coupler x 3/8" Hose ID, 3 Series, 303 Stainless

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

View full details
$ 1,263.00
$ 1,263.00 - $ 1,263.00
$ 1,263.00
$ 1,012.00
$ 1,012.00 - $ 1,012.00
$ 1,012.00
Save 20% Save %
Save 20% Save %
$ 1,263.00
$ 1,263.00 - $ 1,263.00
$ 1,263.00
$ 1,012.00
$ 1,012.00 - $ 1,012.00
$ 1,012.00

Foster 3703S/S, 3 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

View full details
$ 1,263.00
$ 1,263.00 - $ 1,263.00
$ 1,263.00
$ 1,012.00
$ 1,012.00 - $ 1,012.00
$ 1,012.00
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 %
$ 364.00
$ 364.00 - $ 364.00
$ 364.00
$ 290.00
$ 290.00 - $ 290.00
$ 290.00

Foster 3703W, 1/4" Industrial Coupler x 3/8" Hose ID, 3 Series, Water, Brass/SS

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703W is a Brass/SS 1/4" industrial coupler from the Foster 3 Series — the...

View full details
$ 364.00
$ 364.00 - $ 364.00
$ 364.00
$ 290.00
$ 290.00 - $ 290.00
$ 290.00
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 %
$ 210.00
$ 210.00 - $ 210.00
$ 210.00
$ 167.00
$ 167.00 - $ 167.00
$ 167.00

Foster 38-4, 3/8" Industrial Plug x 1/8" Male NPT, 4 Series, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 38-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

View full details
$ 210.00
$ 210.00 - $ 210.00
$ 210.00
$ 167.00
$ 167.00 - $ 167.00
$ 167.00
Save 20% Save %
Save 20% Save %
$ 210.00
$ 210.00 - $ 210.00
$ 210.00
$ 167.00
$ 167.00 - $ 167.00
$ 167.00

Foster 38-4, 4 Series, Industrial Plug, 1/8" Male NPT, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 38-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

View full details
$ 210.00
$ 210.00 - $ 210.00
$ 210.00
$ 167.00
$ 167.00 - $ 167.00
$ 167.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 105.00
$ 105.00 - $ 105.00
$ 105.00
$ 83.00
$ 83.00 - $ 83.00
$ 83.00

Foster 38FP, 3/8" Straight-Thru Plug x 3/8" Female NPT, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FP is a steel 3/8" straight-thru plug i...

View full details
$ 105.00
$ 105.00 - $ 105.00
$ 105.00
$ 83.00
$ 83.00 - $ 83.00
$ 83.00
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 131.00
$ 131.00 - $ 131.00
$ 131.00
$ 103.00
$ 103.00 - $ 103.00
$ 103.00

Foster 38FPB, 3/8" Straight-Thru Plug x 3/8" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FPB is a brass 3/8" straight-thru plug ...

View full details
$ 131.00
$ 131.00 - $ 131.00
$ 131.00
$ 103.00
$ 103.00 - $ 103.00
$ 103.00
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 481.00
$ 481.00 - $ 481.00
$ 481.00
$ 386.00
$ 386.00 - $ 386.00
$ 386.00

Foster 38FPS, 3/8" Straight-Thru Plug x 3/8" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FPS is a 303 stainless 3/8" straight-th...

View full details
$ 481.00
$ 481.00 - $ 481.00
$ 481.00
$ 386.00
$ 386.00 - $ 386.00
$ 386.00
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 %
$ 290.00
$ 290.00 - $ 290.00
$ 290.00
$ 233.00
$ 233.00 - $ 233.00
$ 233.00

Foster 38FS, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FS is a brass 3/8" straight-thru couple...

View full details
$ 290.00
$ 290.00 - $ 290.00
$ 290.00
$ 233.00
$ 233.00 - $ 233.00
$ 233.00
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 %
$ 353.00
$ 353.00 - $ 353.00
$ 353.00
$ 281.00
$ 281.00 - $ 281.00
$ 281.00

Foster 38FS-101, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Viton Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FS-101 is a brass 3/8" straight-thru co...

View full details
$ 353.00
$ 353.00 - $ 353.00
$ 353.00
$ 281.00
$ 281.00 - $ 281.00
$ 281.00
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 %
$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 270.00
$ 270.00 - $ 270.00
$ 270.00

Foster 38FS-103, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, EPDM Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FS-103 is a brass 3/8" straight-thru co...

View full details
$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 270.00
$ 270.00 - $ 270.00
$ 270.00
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 %
$ 1,300.00
$ 1,300.00 - $ 1,300.00
$ 1,300.00
$ 1,039.00
$ 1,039.00 - $ 1,039.00
$ 1,039.00

Foster 38FSS, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FSS is a 303 stainless 3/8" straight-th...

View full details
$ 1,300.00
$ 1,300.00 - $ 1,300.00
$ 1,300.00
$ 1,039.00
$ 1,039.00 - $ 1,039.00
$ 1,039.00
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 %
$ 1,309.00
$ 1,309.00 - $ 1,309.00
$ 1,309.00
$ 1,047.00
$ 1,047.00 - $ 1,047.00
$ 1,047.00

Foster 38FSS-101, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Viton Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FSS-101 is a 303 stainless 3/8" straigh...

View full details
$ 1,309.00
$ 1,309.00 - $ 1,309.00
$ 1,309.00
$ 1,047.00
$ 1,047.00 - $ 1,047.00
$ 1,047.00
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 %
$ 1,302.00
$ 1,302.00 - $ 1,302.00
$ 1,302.00
$ 1,041.00
$ 1,041.00 - $ 1,041.00
$ 1,041.00

Foster 38FSS-103, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, EPDM Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FSS-103 is a 303 stainless 3/8" straigh...

View full details
$ 1,302.00
$ 1,302.00 - $ 1,302.00
$ 1,302.00
$ 1,041.00
$ 1,041.00 - $ 1,041.00
$ 1,041.00
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 %
$ 162.00
$ 162.00 - $ 162.00
$ 162.00
$ 131.00
$ 131.00 - $ 131.00
$ 131.00

Foster 38HPB, 3/8" Straight-Thru Plug x 3/8" Hose ID, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38HPB is a brass 3/8" straight-thru plug ...

View full details
$ 162.00
$ 162.00 - $ 162.00
$ 162.00
$ 131.00
$ 131.00 - $ 131.00
$ 131.00
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 %
$ 96.00
$ 96.00 - $ 96.00
$ 96.00
$ 77.00
$ 77.00 - $ 77.00
$ 77.00

Foster 3L50, 3/8" Hansen RL Interchange Air Plug x 1/4" Male NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L50 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

View full details
$ 96.00
$ 96.00 - $ 96.00
$ 96.00
$ 77.00
$ 77.00 - $ 77.00
$ 77.00
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 %
$ 241.00
$ 241.00 - $ 241.00
$ 241.00
$ 193.00
$ 193.00 - $ 193.00
$ 193.00

Foster 3L51, 3/8" Hansen RL Interchange Air Plug x 1/4" Female NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L51 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

View full details
$ 241.00
$ 241.00 - $ 241.00
$ 241.00
$ 193.00
$ 193.00 - $ 193.00
$ 193.00
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 %
$ 118.00
$ 118.00 - $ 118.00
$ 118.00
$ 94.00
$ 94.00 - $ 94.00
$ 94.00

Foster 3L52, 3/8" Hansen RL Interchange Air Plug x 3/8" Male NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L52 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

View full details
$ 118.00
$ 118.00 - $ 118.00
$ 118.00
$ 94.00
$ 94.00 - $ 94.00
$ 94.00
Save 20% Save %

Request a Quote

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