Skip to content

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 21% Save %
$ 7.29
$ 7.29 - $ 7.29
$ 7.29
$ 5.79
$ 5.79 - $ 5.79
$ 5.79

Foster PB3-3, 1/4" Industrial Plug x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PB3-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

View full details
$ 7.29
$ 7.29 - $ 7.29
$ 7.29
$ 5.79
$ 5.79 - $ 5.79
$ 5.79
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 %
$ 19.79
$ 19.79 - $ 19.79
$ 19.79
$ 15.89
$ 15.89 - $ 15.89
$ 15.89

Foster SB3-3, 1/4" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 3 Series, Brass/Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SB3-3 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — ...

View full details
$ 19.79
$ 19.79 - $ 19.79
$ 19.79
$ 15.89
$ 15.89 - $ 15.89
$ 15.89
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 %
$ 16.69
$ 16.69 - $ 16.69
$ 16.69
$ 13.29
$ 13.29 - $ 13.29
$ 13.29

Foster 3003H, 1/4" Industrial Coupler x 1/4" Female NPT, 3 Series, Heat/Viton, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3003H is a Steel 1/4" industrial coupler from the Foster 3 Series — the mo...

View full details
$ 16.69
$ 16.69 - $ 16.69
$ 16.69
$ 13.29
$ 13.29 - $ 13.29
$ 13.29
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 %
$ 49.29
$ 49.29 - $ 49.29
$ 49.29
$ 39.39
$ 39.39 - $ 39.39
$ 39.39

Foster FMSD7-5H, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 5 Series, Automatic, Heat/Viton, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSD7-5H is a Brass 1/2" industrial coupler from the Foster 5 Se...

View full details
$ 49.29
$ 49.29 - $ 49.29
$ 49.29
$ 39.39
$ 39.39 - $ 39.39
$ 39.39
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 %
$ 31.29
$ 31.29 - $ 31.29
$ 31.29
$ 25.09
$ 25.09 - $ 25.09
$ 25.09

Foster 5405, 1/2" Industrial Coupler x 3/4" Female NPT, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5405 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

View full details
$ 31.29
$ 31.29 - $ 31.29
$ 31.29
$ 25.09
$ 25.09 - $ 25.09
$ 25.09
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 %
$ 4.99
$ 4.99 - $ 4.99
$ 4.99
$ 3.99
$ 3.99 - $ 3.99
$ 3.99

Foster 42-4, 3/8" Industrial Plug x 3/8" Male NPT, 4 Series, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 42-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

View full details
$ 4.99
$ 4.99 - $ 4.99
$ 4.99
$ 3.99
$ 3.99 - $ 3.99
$ 3.99
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 %
$ 2.59
$ 2.59 - $ 2.59
$ 2.59
$ 2.09
$ 2.09 - $ 2.09
$ 2.09

Foster 22-2, 1/8" 2 Series Plug x 1/8" Male NPT, Steel

Dependable, leak-free connections for air and light fluid lines. The Foster 22-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniature...

View full details
$ 2.59
$ 2.59 - $ 2.59
$ 2.59
$ 2.09
$ 2.09 - $ 2.09
$ 2.09
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 %
$ 10.19
$ 10.19 - $ 10.19
$ 10.19
$ 8.19
$ 8.19 - $ 8.19
$ 8.19

Foster 2302, 1/8" 2 Series Coupler x 1/8" Female NPT, Heavy-Duty Brass, Steel

Dependable, leak-free connections for air and light fluid lines. The Foster 2302 is a Heavy-Duty Brass, Steel 1/8" coupler from the proven Foster 2...

View full details
$ 10.19
$ 10.19 - $ 10.19
$ 10.19
$ 8.19
$ 8.19 - $ 8.19
$ 8.19
Save 20% Save %
$ 0.00 - $ 0.00
$ 0.00
$ 48.23
$ 48.23 - $ 48.23
$ 48.23

Reusable Hose Barb - 1/4" ID X 1/2" OD hose - USA MADE Air Hose Fittings Brass

Foster Brand5ea - HS-B3 (1/4" ID X 1/2" OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 48.23
$ 48.23 - $ 48.23
$ 48.23
$ 0.00 - $ 0.00
$ 0.00
$ 28.55
$ 28.55 - $ 28.55
$ 28.55

Reusable Hose Barb Set 1/4" NPT - 1/4" ID X 1/2" OD hose - Air Hose FIttings

Foster Brand5ea - 2B3 ( 1/4" male NPT for 1/4"ID X 1/2"OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 28.55
$ 28.55 - $ 28.55
$ 28.55
$ 0.00 - $ 0.00
$ 0.00
$ 57.11
$ 57.11 - $ 57.11
$ 57.11

Reusable Hose Barb Set - 1/4" NPT - 1/4" ID X 1/2" OD hose - Air Hose FIttings

Foster Brand10ea - 2B3 ( 1/4" male NPT for 1/4"ID X 1/2"OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 57.11
$ 57.11 - $ 57.11
$ 57.11
$ 0.00 - $ 0.00
$ 0.00
$ 6.15
$ 6.15 - $ 6.15
$ 6.15

Reusable Hose Barb - 1/4" Body Plug X 3/8" ID - 11/16" OD Air Fittings

Reusable Hose Barb - 1/4" Body Plug X 3/8" ID - 11/16" OD Air Fittings

$ 0.00 - $ 0.00
$ 0.00
$ 6.15
$ 6.15 - $ 6.15
$ 6.15
$ 0.00 - $ 0.00
$ 0.00
$ 53.43
$ 53.43 - $ 53.43
$ 53.43

Reusable Hose Barb - 1/4" ID X 9/16" OD hose - USA MADE Air Hose Fittings Brass

Foster Brand5ea - HS-B5 (1/4" ID X 9/16" OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 53.43
$ 53.43 - $ 53.43
$ 53.43
$ 0.00 - $ 0.00
$ 0.00
$ 33.43
$ 33.43 - $ 33.43
$ 33.43

Reusable Hose Barb Set 1/4" NPT - 1/4" ID X 9/16" OD hose - Air Hose FIttings

Foster Brand5ea - 2B3 ( 1/4" male NPT for 1/4"ID X 9/16" OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 33.43
$ 33.43 - $ 33.43
$ 33.43
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 58.89
$ 58.89 - $ 58.89
$ 58.89
$ 47.09
$ 47.09 - $ 47.09
$ 47.09

Foster BLFIS4F4, 1/2" Snap-Tite IH Air Coupler x 1/2" FNPT, FIH Series, Steel Ball Lock

The Foster BLFIS4F4 is a Snap-Tite IH interchange air coupler — a one-way shut-off socket built for pneumatic air-tool service. Its valve makes 360...

View full details
$ 58.89
$ 58.89 - $ 58.89
$ 58.89
$ 47.09
$ 47.09 - $ 47.09
$ 47.09
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 %
$ 41.79
$ 41.79 - $ 41.79
$ 41.79
$ 33.39
$ 33.39 - $ 33.39
$ 33.39

Foster BLFIS3F3, 3/8" Snap-Tite IH Air Coupler x 3/8" FNPT, FIH Series, Steel Ball Lock

The Foster BLFIS3F3 is a Snap-Tite IH interchange air coupler — a one-way shut-off socket built for pneumatic air-tool service. Its valve makes 360...

View full details
$ 41.79
$ 41.79 - $ 41.79
$ 41.79
$ 33.39
$ 33.39 - $ 33.39
$ 33.39
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 %
$ 44.49
$ 44.49 - $ 44.49
$ 44.49
$ 35.59
$ 35.59 - $ 35.59
$ 35.59

Foster FIS4F4, 1/2" Snap-Tite IH Air Coupler x 1/2" FNPT, FIH Series, Steel

The Foster FIS4F4 is a Snap-Tite IH interchange air coupler — a one-way shut-off socket built for pneumatic air-tool service. Its valve makes 360° ...

View full details
$ 44.49
$ 44.49 - $ 44.49
$ 44.49
$ 35.59
$ 35.59 - $ 35.59
$ 35.59
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 %
$ 45.39
$ 45.39 - $ 45.39
$ 45.39
$ 36.39
$ 36.39 - $ 36.39
$ 36.39

Foster FIS4M4, 1/2" Snap-Tite IH Air Coupler x 1/2" MNPT, FIH Series, Steel

The Foster FIS4M4 is a Snap-Tite IH interchange air coupler — a one-way shut-off socket built for pneumatic air-tool service. Its valve makes 360° ...

View full details
$ 45.39
$ 45.39 - $ 45.39
$ 45.39
$ 36.39
$ 36.39 - $ 36.39
$ 36.39
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 %
$ 43.99
$ 43.99 - $ 43.99
$ 43.99
$ 35.19
$ 35.19 - $ 35.19
$ 35.19

Foster FIS3M3, 3/8" Snap-Tite IH Air Coupler x 3/8" MNPT, FIH Series, Steel

The Foster FIS3M3 is a Snap-Tite IH interchange air coupler — a one-way shut-off socket built for pneumatic air-tool service. Its valve makes 360° ...

View full details
$ 43.99
$ 43.99 - $ 43.99
$ 43.99
$ 35.19
$ 35.19 - $ 35.19
$ 35.19
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 %
$ 39.69
$ 39.69 - $ 39.69
$ 39.69
$ 31.69
$ 31.69 - $ 31.69
$ 31.69

Foster FIS2M2, 1/4" Snap-Tite IH Air Coupler x 1/4" MNPT, FIH Series, Steel

The Foster FIS2M2 is a Snap-Tite IH interchange air coupler — a one-way shut-off socket built for pneumatic air-tool service. Its valve makes 360° ...

View full details
$ 39.69
$ 39.69 - $ 39.69
$ 39.69
$ 31.69
$ 31.69 - $ 31.69
$ 31.69
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 %
$ 34.59
$ 34.59 - $ 34.59
$ 34.59
$ 27.69
$ 27.69 - $ 27.69
$ 27.69

Foster FIS2F2, 1/4" Snap-Tite IH Air Coupler x 1/4" FNPT, FIH Series, Steel

The Foster FIS2F2 is a Snap-Tite IH interchange air coupler — a one-way shut-off socket built for pneumatic air-tool service. Its valve makes 360° ...

View full details
$ 34.59
$ 34.59 - $ 34.59
$ 34.59
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
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 %
$ 35.39
$ 35.39 - $ 35.39
$ 35.39
$ 28.29
$ 28.29 - $ 28.29
$ 28.29

Foster FIS3F3, 3/8" Snap-Tite IH Air Coupler x 3/8" FNPT, FIH Series, Steel

The Foster FIS3F3 is a Snap-Tite IH interchange air coupler — a one-way shut-off socket built for pneumatic air-tool service. Its valve makes 360° ...

View full details
$ 35.39
$ 35.39 - $ 35.39
$ 35.39
$ 28.29
$ 28.29 - $ 28.29
$ 28.29
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 26.09
$ 26.09 - $ 26.09
$ 26.09
$ 20.89
$ 20.89 - $ 20.89
$ 20.89

Breco HBM-8-8, 1" ID Hose Barb x 1" MNPT, Brass Hose Barb Fitting

Connect a hose to a male NPT thread with the Breco HBM-8-8 brass hose barb fitting. The barbed stem grips 1" ID hose, while the 1" MNPT end threads...

View full details
$ 26.09
$ 26.09 - $ 26.09
$ 26.09
$ 20.89
$ 20.89 - $ 20.89
$ 20.89
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 15.19
$ 15.19 - $ 15.19
$ 15.19
$ 12.19
$ 12.19 - $ 12.19
$ 12.19

Breco HBM-7-4, 5/8" ID Hose Barb x 1/2" MNPT, Brass Hose Barb Fitting

Connect a hose to a male NPT thread with the Breco HBM-7-4 brass hose barb fitting. The barbed stem grips 5/8" ID hose, while the 1/2" MNPT end thr...

View full details
$ 15.19
$ 15.19 - $ 15.19
$ 15.19
$ 12.19
$ 12.19 - $ 12.19
$ 12.19
Save 20% Save %

Request a Quote

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