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 €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95Foster BL4304, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Ball Lock, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4304 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 €17,95 - Original price €17,95Original price€17,95€17,95 - €17,95Current price €17,95
Foster 4304, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4304 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...
View full detailsOriginal price €17,95 - Original price €17,95Original price€17,95€17,95 - €17,95Current price €17,95 -
Original price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95
Foster 4104W, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Water, Brass/SS
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...
View full detailsOriginal price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95 -
Original price €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95
Foster 4104S, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Steam/EPDM, Brass body, Brass sleeve, SS valve
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler from...
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 4104H, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Heat/Viton, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104H is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...
View full detailsOriginal price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95 -
Original price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95
Foster BL4104, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Ball Lock, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4104 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...
View full detailsOriginal price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95 -
Original price €16,95 - Original price €16,95Original price€16,95€16,95 - €16,95Current price €16,95
Foster 4104, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...
View full detailsOriginal price €16,95 - Original price €16,95Original price€16,95€16,95 - €16,95Current price €16,95 -
Original price €23,95 - Original price €23,95Original price€23,95€23,95 - €23,95Current price €23,95
Foster BL4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Ball Lock, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4404 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 €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95
Foster 4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4404 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 €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95
Foster 4204W, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Water, Brass/SS
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...
View full detailsOriginal price €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95 -
Original price €36,95 - Original price €36,95Original price€36,95€36,95 - €36,95Current price €36,95
Foster BL4204S/S, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Ball Lock, 303 Stainless
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4204S/S is a 303 Stainless 3/8" industrial coupler from the Foster 4 Ser...
View full detailsOriginal price €36,95 - Original price €36,95Original price€36,95€36,95 - €36,95Current price €36,95 -
Original price €34,95 - Original price €34,95Original price€34,95€34,95 - €34,95Current price €34,95
Foster 4204S/S, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, 303 Stainless
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204S/S is a 303 Stainless 3/8" industrial coupler from the Foster 4 Serie...
View full detailsOriginal price €34,95 - Original price €34,95Original price€34,95€34,95 - €34,95Current price €34,95 -
Original price €21,95 - Original price €21,95Original price€21,95€21,95 - €21,95Current price €21,95
Foster 4204S, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Steam/EPDM, Brass body, Brass sleeve, SS valve
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler from...
View full detailsOriginal price €21,95 - Original price €21,95Original price€21,95€21,95 - €21,95Current price €21,95 -
Original price €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95
Foster 4204H, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Heat/Viton, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204H 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 €20,95 - Original price €20,95Original price€20,95€20,95 - €20,95Current price €20,95
Foster BL4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Ball Lock, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4204 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 €16,95 - Original price €16,95Original price€16,95€16,95 - €16,95Current price €16,95
Foster 4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...
View full detailsOriginal price €16,95 - Original price €16,95Original price€16,95€16,95 - €16,95Current price €16,95 -
Original price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95
Foster BL4004, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Ball Lock, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4004 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...
View full detailsOriginal price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95 -
Original price €16,95 - Original price €16,95Original price€16,95€16,95 - €16,95Current price €16,95
Foster 4004, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Brass/Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Foster 4004 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...
View full detailsOriginal price €16,95 - Original price €16,95Original price€16,95€16,95 - €16,95Current price €16,95 -
Original price €4,95 - Original price €4,95Original price€4,95€4,95 - €4,95Current price €4,95Breco B-B3PS3-S, 3/8" Industrial Plug x 3/8" Push-On Hose Stem, 4 Series, Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-B3PS3-S is a Steel 3/8" industrial plug from the Breco 4 Series — a high-...
View full detailsOriginal price €4,95 - Original price €4,95Original price€4,95€4,95 - €4,95Current price €4,95 -
Original price €5,95 - Original price €5,95Original price€5,95€5,95 - €5,95Current price €5,95
Breco B-B3S4-S, 3/8" Industrial Plug x 1/2" Hose ID, 4 Series, Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-B3S4-S is a Steel 3/8" industrial plug from the Breco 4 Series — a high-f...
View full detailsOriginal price €5,95 - Original price €5,95Original price€5,95€5,95 - €5,95Current price €5,95 -
Original price €4,95 - Original price €4,95Original price€4,95€4,95 - €4,95Current price €4,95
Breco B-B3S3-S, 3/8" Industrial Plug x 3/8" Hose ID, 4 Series, Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-B3S3-S is a Steel 3/8" industrial plug from the Breco 4 Series — a high-f...
View full detailsOriginal price €4,95 - Original price €4,95Original price€4,95€4,95 - €4,95Current price €4,95 -
Original price €6,95 - Original price €6,95Original price€6,95€6,95 - €6,95Current price €6,95
Breco B-B3S2-S, 3/8" Industrial Plug x 1/4" Hose ID, 4 Series, Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-B3S2-S is a Steel 3/8" industrial plug from the Breco 4 Series — a high-f...
View full detailsOriginal price €6,95 - Original price €6,95Original price€6,95€6,95 - €6,95Current price €6,95 -
Original price €5,95 - Original price €5,95Original price€5,95€5,95 - €5,95Current price €5,95
Breco B-B3M4-S, 3/8" Industrial Plug x 1/2" Male NPT, 4 Series, Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-B3M4-S is a Steel 3/8" industrial plug from the Breco 4 Series — a high-f...
View full detailsOriginal price €5,95 - Original price €5,95Original price€5,95€5,95 - €5,95Current price €5,95 -
Original price €5,95 - Original price €5,95Original price€5,95€5,95 - €5,95Current price €5,95
Breco B-B3M3-B, 3/8" Industrial Plug x 3/8" Male NPT, 4 Series, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-B3M3-B is a Brass 3/8" industrial plug from the Breco 4 Series — a high-f...
View full detailsOriginal price €5,95 - Original price €5,95Original price€5,95€5,95 - €5,95Current price €5,95
