Breco 4 Series Couplers
The Breco 4 Series is the 3/8" body industrial interchange, a common air coupler size for shop and industrial systems. This collection includes Breco 4 Series couplers and plugs in brass, steel, and brass with steel sleeve, with NPT, hose barb, and push-on terminations. Filter by thread, material, and coupler or plug to find your part.
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Original price $ 514.00Original price $ 514.00 - Original price $ 514.00Original price $ 514.00Current price $ 410.00$ 410.00 - $ 410.00Current price $ 410.00
Breco B-3BF2-B, 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 Breco B-3BF2-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 514.00Original price $ 514.00 - Original price $ 514.00Original price $ 514.00Current price $ 410.00$ 410.00 - $ 410.00Current price $ 410.00Save 20% -
Original price $ 579.00Original price $ 579.00 - Original price $ 579.00Original price $ 579.00Current price $ 463.00$ 463.00 - $ 463.00Current price $ 463.00
Breco B-3BF2-B-SL, 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 Breco B-3BF2-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...
View full detailsOriginal price $ 579.00Original price $ 579.00 - Original price $ 579.00Original price $ 579.00Current price $ 463.00$ 463.00 - $ 463.00Current price $ 463.00Save 20% -
Original price $ 518.00Original price $ 518.00 - Original price $ 518.00Original price $ 518.00Current price $ 414.00$ 414.00 - $ 414.00Current price $ 414.00
Breco B-3BF3-B, 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 Breco B-3BF3-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 518.00Original price $ 518.00 - Original price $ 518.00Original price $ 518.00Current price $ 414.00$ 414.00 - $ 414.00Current price $ 414.00Save 20% -
Original price $ 578.00Original price $ 578.00 - Original price $ 578.00Original price $ 578.00Current price $ 463.00$ 463.00 - $ 463.00Current price $ 463.00
Breco B-3BF3-B-SL, 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 Breco B-3BF3-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...
View full detailsOriginal price $ 578.00Original price $ 578.00 - Original price $ 578.00Original price $ 578.00Current price $ 463.00$ 463.00 - $ 463.00Current price $ 463.00Save 20% -
Original price $ 530.00Original price $ 530.00 - Original price $ 530.00Original price $ 530.00Current price $ 425.00$ 425.00 - $ 425.00Current price $ 425.00
Breco B-3BF4-B, 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 Breco B-3BF4-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 530.00Original price $ 530.00 - Original price $ 530.00Original price $ 530.00Current price $ 425.00$ 425.00 - $ 425.00Current price $ 425.00Save 20% -
Original price $ 595.00Original price $ 595.00 - Original price $ 595.00Original price $ 595.00Current price $ 477.00$ 477.00 - $ 477.00Current price $ 477.00
Breco B-3BF4-B-SL, 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 Breco B-3BF4-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...
View full detailsOriginal price $ 595.00Original price $ 595.00 - Original price $ 595.00Original price $ 595.00Current price $ 477.00$ 477.00 - $ 477.00Current price $ 477.00Save 20% -
Original price $ 643.00Original price $ 643.00 - Original price $ 643.00Original price $ 643.00Current price $ 514.00$ 514.00 - $ 514.00Current price $ 514.00
Breco B-3BH3-B-SL, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 4 Series, Automatic Sleeve Lock, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BH3-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...
View full detailsOriginal price $ 643.00Original price $ 643.00 - Original price $ 643.00Original price $ 643.00Current price $ 514.00$ 514.00 - $ 514.00Current price $ 514.00Save 20% -
Original price $ 514.00Original price $ 514.00 - Original price $ 514.00Original price $ 514.00Current price $ 410.00$ 410.00 - $ 410.00Current price $ 410.00
Breco B-3BM2-B, 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 Breco B-3BM2-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 514.00Original price $ 514.00 - Original price $ 514.00Original price $ 514.00Current price $ 410.00$ 410.00 - $ 410.00Current price $ 410.00Save 20% -
Original price $ 579.00Original price $ 579.00 - Original price $ 579.00Original price $ 579.00Current price $ 463.00$ 463.00 - $ 463.00Current price $ 463.00
Breco B-3BM2-B-SL, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Automatic Sleeve Lock, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM2-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...
View full detailsOriginal price $ 579.00Original price $ 579.00 - Original price $ 579.00Original price $ 579.00Current price $ 463.00$ 463.00 - $ 463.00Current price $ 463.00Save 20% -
Original price $ 518.00Original price $ 518.00 - Original price $ 518.00Original price $ 518.00Current price $ 414.00$ 414.00 - $ 414.00Current price $ 414.00
Breco B-3BM3-B, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM3-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 518.00Original price $ 518.00 - Original price $ 518.00Original price $ 518.00Current price $ 414.00$ 414.00 - $ 414.00Current price $ 414.00Save 20% -
Original price $ 588.00Original price $ 588.00 - Original price $ 588.00Original price $ 588.00Current price $ 472.00$ 472.00 - $ 472.00Current price $ 472.00
Breco B-3BM3-B-SL, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic Sleeve Lock, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM3-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...
View full detailsOriginal price $ 588.00Original price $ 588.00 - Original price $ 588.00Original price $ 588.00Current price $ 472.00$ 472.00 - $ 472.00Current price $ 472.00Save 20% -
Original price $ 523.00Original price $ 523.00 - Original price $ 523.00Original price $ 523.00Current price $ 419.00$ 419.00 - $ 419.00Current price $ 419.00
Breco B-3BM4-B, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM4-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 523.00Original price $ 523.00 - Original price $ 523.00Original price $ 523.00Current price $ 419.00$ 419.00 - $ 419.00Current price $ 419.00Save 20% -
Original price $ 595.00Original price $ 595.00 - Original price $ 595.00Original price $ 595.00Current price $ 477.00$ 477.00 - $ 477.00Current price $ 477.00
Breco B-3BM4-B-SL, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Automatic Sleeve Lock, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM4-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...
View full detailsOriginal price $ 595.00Original price $ 595.00 - Original price $ 595.00Original price $ 595.00Current price $ 477.00$ 477.00 - $ 477.00Current price $ 477.00Save 20% -
Original price $ 585.00Original price $ 585.00 - Original price $ 585.00Original price $ 585.00Current price $ 469.00$ 469.00 - $ 469.00Current price $ 469.00
Breco B-3BPS3-B, 3/8" Industrial Coupler x 3/8" Push-On Hose Stem, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BPS3-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hi...
View full detailsOriginal price $ 585.00Original price $ 585.00 - Original price $ 585.00Original price $ 585.00Current price $ 469.00$ 469.00 - $ 469.00Current price $ 469.00Save 20% -
Original price $ 544.00Original price $ 544.00 - Original price $ 544.00Original price $ 544.00Current price $ 435.00$ 435.00 - $ 435.00Current price $ 435.00
Breco B-3BS2-B, 3/8" Industrial Coupler x 1/4" Hose ID, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS2-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 544.00Original price $ 544.00 - Original price $ 544.00Original price $ 544.00Current price $ 435.00$ 435.00 - $ 435.00Current price $ 435.00Save 20% -
Original price $ 551.00Original price $ 551.00 - Original price $ 551.00Original price $ 551.00Current price $ 440.00$ 440.00 - $ 440.00Current price $ 440.00
Breco B-3BS3-B, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS3-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 551.00Original price $ 551.00 - Original price $ 551.00Original price $ 551.00Current price $ 440.00$ 440.00 - $ 440.00Current price $ 440.00Save 20% -
Original price $ 620.00Original price $ 620.00 - Original price $ 620.00Original price $ 620.00Current price $ 495.00$ 495.00 - $ 495.00Current price $ 495.00
Breco B-3BS3-B-SL, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Automatic Sleeve Lock, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS3-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...
View full detailsOriginal price $ 620.00Original price $ 620.00 - Original price $ 620.00Original price $ 620.00Current price $ 495.00$ 495.00 - $ 495.00Current price $ 495.00Save 20% -
Original price $ 537.00Original price $ 537.00 - Original price $ 537.00Original price $ 537.00Current price $ 430.00$ 430.00 - $ 430.00Current price $ 430.00
Breco B-3BS4-B, 3/8" Industrial Coupler x 1/2" Hose ID, 4 Series, Automatic, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS4-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 537.00Original price $ 537.00 - Original price $ 537.00Original price $ 537.00Current price $ 430.00$ 430.00 - $ 430.00Current price $ 430.00Save 20% -
Original price $ 627.00Original price $ 627.00 - Original price $ 627.00Original price $ 627.00Current price $ 500.00$ 500.00 - $ 500.00Current price $ 500.00
Breco B-3BS4-B-SL, 3/8" Industrial Coupler x 1/2" Hose ID, 4 Series, Automatic Sleeve Lock, Brass
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS4-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...
View full detailsOriginal price $ 627.00Original price $ 627.00 - Original price $ 627.00Original price $ 627.00Current price $ 500.00$ 500.00 - $ 500.00Current price $ 500.00Save 20% -
Original price $ 1,491.00Original price $ 1,491.00 - Original price $ 1,491.00Original price $ 1,491.00Current price $ 1,194.00$ 1,194.00 - $ 1,194.00Current price $ 1,194.00
Breco B-3CF3-B, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Sleeve Guard, Brass w/Brass Sleeve
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CF3-B is a Brass w/Brass Sleeve 3/8" industrial coupler from the Breco 4...
View full detailsOriginal price $ 1,491.00Original price $ 1,491.00 - Original price $ 1,491.00Original price $ 1,491.00Current price $ 1,194.00$ 1,194.00 - $ 1,194.00Current price $ 1,194.00Save 20% -
Original price $ 395.00Original price $ 395.00 - Original price $ 395.00Original price $ 395.00Current price $ 315.00$ 315.00 - $ 315.00Current price $ 315.00
Breco B-3CF3-S, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Sleeve Guard, Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CF3-S is a Steel 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 395.00Original price $ 395.00 - Original price $ 395.00Original price $ 395.00Current price $ 315.00$ 315.00 - $ 315.00Current price $ 315.00Save 20% -
Original price $ 615.00Original price $ 615.00 - Original price $ 615.00Original price $ 615.00Current price $ 491.00$ 491.00 - $ 491.00Current price $ 491.00
Breco B-3CF4-S, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Sleeve Guard, Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CF4-S is a Steel 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 615.00Original price $ 615.00 - Original price $ 615.00Original price $ 615.00Current price $ 491.00$ 491.00 - $ 491.00Current price $ 491.00Save 20% -
Original price $ 472.00Original price $ 472.00 - Original price $ 472.00Original price $ 472.00Current price $ 377.00$ 377.00 - $ 377.00Current price $ 377.00
Breco B-3CM2-S, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Sleeve Guard, Steel
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CM2-S is a Steel 3/8" industrial coupler from the Breco 4 Series — a hig...
View full detailsOriginal price $ 472.00Original price $ 472.00 - Original price $ 472.00Original price $ 472.00Current price $ 377.00$ 377.00 - $ 377.00Current price $ 377.00Save 20% -
Original price $ 1,479.00Original price $ 1,479.00 - Original price $ 1,479.00Original price $ 1,479.00Current price $ 1,183.00$ 1,183.00 - $ 1,183.00Current price $ 1,183.00
Breco B-3CM3-B, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Sleeve Guard, Brass w/Brass Sleeve
In stockReliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CM3-B is a Brass w/Brass Sleeve 3/8" industrial coupler from the Breco 4...
View full detailsOriginal price $ 1,479.00Original price $ 1,479.00 - Original price $ 1,479.00Original price $ 1,479.00Current price $ 1,183.00$ 1,183.00 - $ 1,183.00Current price $ 1,183.00Save 20%
