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.
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Original price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95Foster FM4104, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4104 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...
View full detailsOriginal price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95 -
Original price €26,95 - Original price €26,95Original price€26,95€26,95 - €26,95Current price €26,95
Foster FM4404W, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Water, Brass/SS
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...
View full detailsOriginal price €26,95 - Original price €26,95Original price€26,95€26,95 - €26,95Current price €26,95 -
Original price €26,95 - Original price €26,95Original price€26,95€26,95 - €26,95Current price €26,95
Foster FM4404S, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Steam/EPDM, Brass body, Brass sleeve, SS valve
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler fr...
View full detailsOriginal price €26,95 - Original price €26,95Original price€26,95€26,95 - €26,95Current price €26,95 -
Original price €26,95 - Original price €26,95Original price€26,95€26,95 - €26,95Current price €26,95
Foster SL4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic Sleeve Lock, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SL4404 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...
View full detailsOriginal price €26,95 - Original price €26,95Original price€26,95€26,95 - €26,95Current price €26,95 -
Original price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95
Foster FM4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...
View full detailsOriginal price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95 -
Original price €26,95 - Original price €26,95Original price€26,95€26,95 - €26,95Current price €26,95
Foster FM4204W, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Water, Brass/SS
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...
View full detailsOriginal price €26,95 - Original price €26,95Original price€26,95€26,95 - €26,95Current price €26,95 -
Original price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95
Foster FM4204H, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Heat/Viton, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204H is a Brass 3/8" industrial coupler from the Foster 4 Series — a hi...
View full detailsOriginal price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95 -
Original price €25,95 - Original price €25,95Original price€25,95€25,95 - €25,95Current price €25,95
Foster SL4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic Sleeve Lock, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SL4204 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...
View full detailsOriginal price €25,95 - Original price €25,95Original price€25,95€25,95 - €25,95Current price €25,95 -
Original price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95
Foster FM4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...
View full detailsOriginal price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95 -
Original price €25,95 - Original price €25,95Original price€25,95€25,95 - €25,95Current price €25,95
Foster SL4004, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Automatic Sleeve Lock, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SL4004 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...
View full detailsOriginal price €25,95 - Original price €25,95Original price€25,95€25,95 - €25,95Current price €25,95 -
Original price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95
Foster FM4004, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4004 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...
View full detailsOriginal price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95 -
Original price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95
Foster SD13-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SD13-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...
View full detailsOriginal price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95 -
Original price €21,95 - Original price €21,95Original price€21,95€21,95 - €21,95Current price €21,95
Foster SD11-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 3/4" OD, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SD11-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...
View full detailsOriginal price €21,95 - Original price €21,95Original price€21,95€21,95 - €21,95Current price €21,95 -
Original price €25,95 - Original price €25,95Original price€25,95€25,95 - €25,95Current price €25,95
Foster BLSD9-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 11/16" OD, 4 Series, Ball Lock, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster BLSD9-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series ...
View full detailsOriginal price €25,95 - Original price €25,95Original price€25,95€25,95 - €25,95Current price €25,95 -
Original price €21,95 - Original price €21,95Original price€21,95€21,95 - €21,95Current price €21,95
Foster SD9-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 11/16" OD, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SD9-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...
View full detailsOriginal price €21,95 - Original price €21,95Original price€21,95€21,95 - €21,95Current price €21,95 -
Original price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95
Foster BLSD7-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 4 Series, Ball Lock, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster BLSD7-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series ...
View full detailsOriginal price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95 -
Original price €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95
Foster SD7-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SD7-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...
View full detailsOriginal price €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95 -
Original price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95
Foster SB7-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 5/8" OD, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SB7-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...
View full detailsOriginal price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95 -
Original price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95
Foster SB5-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 9/16" OD, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SB5-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...
View full detailsOriginal price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95 -
Original price €23,95 - Original price €23,95Original price€23,95€23,95 - €23,95Current price €23,95
Foster SB3-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster SB3-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...
View full detailsOriginal price €23,95 - Original price €23,95Original price€23,95€23,95 - €23,95Current price €23,95 -
Original price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95
Foster 1814W, 3/8" Industrial Coupler x 1/2" Push-On Hose Stem, 4 Series, Water, Brass/SS
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 1814W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...
View full detailsOriginal price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95 -
Original price €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95
Foster BL1814, 3/8" Industrial Coupler x 1/2" Push-On Hose Stem, 4 Series, Ball Lock, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster BL1814 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...
View full detailsOriginal price €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95 -
Original price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95
Foster 1814, 3/8" Industrial Coupler x 1/2" Push-On Hose Stem, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 1814 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...
View full detailsOriginal price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95 -
Original price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95
Foster 1714W, 3/8" Industrial Coupler x 3/8" Push-On Hose Stem, 4 Series, Water, Brass/SS
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 1714W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...
View full detailsOriginal price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95
