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 $ 515.00Original price $ 515.00 - Original price $ 515.00Original price $ 515.00Current price $ 411.00$ 411.00 - $ 411.00Current price $ 411.00
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 $ 515.00Original price $ 515.00 - Original price $ 515.00Original price $ 515.00Current price $ 411.00$ 411.00 - $ 411.00Current price $ 411.00Save 20% -
Original price $ 580.00Original price $ 580.00 - Original price $ 580.00Original price $ 580.00Current price $ 464.00$ 464.00 - $ 464.00Current price $ 464.00
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 $ 580.00Original price $ 580.00 - Original price $ 580.00Original price $ 580.00Current price $ 464.00$ 464.00 - $ 464.00Current price $ 464.00Save 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 $ 464.00$ 464.00 - $ 464.00Current price $ 464.00
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 $ 464.00$ 464.00 - $ 464.00Current price $ 464.00Save 20% -
Original price $ 531.00Original price $ 531.00 - Original price $ 531.00Original price $ 531.00Current 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 $ 531.00Original price $ 531.00 - Original price $ 531.00Original price $ 531.00Current price $ 425.00$ 425.00 - $ 425.00Current price $ 425.00Save 20% -
Original price $ 596.00Original price $ 596.00 - Original price $ 596.00Original price $ 596.00Current price $ 478.00$ 478.00 - $ 478.00Current price $ 478.00
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 $ 596.00Original price $ 596.00 - Original price $ 596.00Original price $ 596.00Current price $ 478.00$ 478.00 - $ 478.00Current price $ 478.00Save 20% -
Original price $ 644.00Original price $ 644.00 - Original price $ 644.00Original price $ 644.00Current price $ 515.00$ 515.00 - $ 515.00Current price $ 515.00
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 $ 644.00Original price $ 644.00 - Original price $ 644.00Original price $ 644.00Current price $ 515.00$ 515.00 - $ 515.00Current price $ 515.00Save 20% -
Original price $ 515.00Original price $ 515.00 - Original price $ 515.00Original price $ 515.00Current price $ 411.00$ 411.00 - $ 411.00Current price $ 411.00
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 $ 515.00Original price $ 515.00 - Original price $ 515.00Original price $ 515.00Current price $ 411.00$ 411.00 - $ 411.00Current price $ 411.00Save 20% -
Original price $ 580.00Original price $ 580.00 - Original price $ 580.00Original price $ 580.00Current price $ 464.00$ 464.00 - $ 464.00Current price $ 464.00
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 $ 580.00Original price $ 580.00 - Original price $ 580.00Original price $ 580.00Current price $ 464.00$ 464.00 - $ 464.00Current price $ 464.00Save 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 $ 589.00Original price $ 589.00 - Original price $ 589.00Original price $ 589.00Current price $ 473.00$ 473.00 - $ 473.00Current price $ 473.00
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 $ 589.00Original price $ 589.00 - Original price $ 589.00Original price $ 589.00Current price $ 473.00$ 473.00 - $ 473.00Current price $ 473.00Save 20% -
Original price $ 524.00Original price $ 524.00 - Original price $ 524.00Original price $ 524.00Current price $ 420.00$ 420.00 - $ 420.00Current price $ 420.00
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 $ 524.00Original price $ 524.00 - Original price $ 524.00Original price $ 524.00Current price $ 420.00$ 420.00 - $ 420.00Current price $ 420.00Save 20% -
Original price $ 596.00Original price $ 596.00 - Original price $ 596.00Original price $ 596.00Current price $ 478.00$ 478.00 - $ 478.00Current price $ 478.00
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 $ 596.00Original price $ 596.00 - Original price $ 596.00Original price $ 596.00Current price $ 478.00$ 478.00 - $ 478.00Current price $ 478.00Save 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 $ 545.00Original price $ 545.00 - Original price $ 545.00Original price $ 545.00Current price $ 436.00$ 436.00 - $ 436.00Current price $ 436.00
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 $ 545.00Original price $ 545.00 - Original price $ 545.00Original price $ 545.00Current price $ 436.00$ 436.00 - $ 436.00Current price $ 436.00Save 20% -
Original price $ 552.00Original price $ 552.00 - Original price $ 552.00Original price $ 552.00Current price $ 441.00$ 441.00 - $ 441.00Current price $ 441.00
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 $ 552.00Original price $ 552.00 - Original price $ 552.00Original price $ 552.00Current price $ 441.00$ 441.00 - $ 441.00Current price $ 441.00Save 20% -
Original price $ 621.00Original price $ 621.00 - Original price $ 621.00Original price $ 621.00Current 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 $ 621.00Original price $ 621.00 - Original price $ 621.00Original price $ 621.00Current price $ 495.00$ 495.00 - $ 495.00Current price $ 495.00Save 20% -
Original price $ 538.00Original price $ 538.00 - Original price $ 538.00Original price $ 538.00Current 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 $ 538.00Original price $ 538.00 - Original price $ 538.00Original price $ 538.00Current price $ 430.00$ 430.00 - $ 430.00Current price $ 430.00Save 20% -
Original price $ 628.00Original price $ 628.00 - Original price $ 628.00Original price $ 628.00Current price $ 501.00$ 501.00 - $ 501.00Current price $ 501.00
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 $ 628.00Original price $ 628.00 - Original price $ 628.00Original price $ 628.00Current price $ 501.00$ 501.00 - $ 501.00Current price $ 501.00Save 20% -
Original price $ 1,493.00Original price $ 1,493.00 - Original price $ 1,493.00Original price $ 1,493.00Current price $ 1,195.00$ 1,195.00 - $ 1,195.00Current price $ 1,195.00
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 $ 1,493.00Original price $ 1,493.00 - Original price $ 1,493.00Original price $ 1,493.00Current price $ 1,195.00$ 1,195.00 - $ 1,195.00Current price $ 1,195.00Save 20% -
Original price $ 395.00Original price $ 395.00 - Original price $ 395.00Original price $ 395.00Current price $ 316.00$ 316.00 - $ 316.00Current price $ 316.00
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 $ 316.00$ 316.00 - $ 316.00Current price $ 316.00Save 20% -
Original price $ 615.00Original price $ 615.00 - Original price $ 615.00Original price $ 615.00Current price $ 492.00$ 492.00 - $ 492.00Current price $ 492.00
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 $ 492.00$ 492.00 - $ 492.00Current price $ 492.00Save 20% -
Original price $ 473.00Original price $ 473.00 - Original price $ 473.00Original price $ 473.00Current 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 $ 473.00Original price $ 473.00 - Original price $ 473.00Original price $ 473.00Current price $ 377.00$ 377.00 - $ 377.00Current price $ 377.00Save 20% -
Original price $ 1,481.00Original price $ 1,481.00 - Original price $ 1,481.00Original price $ 1,481.00Current price $ 1,185.00$ 1,185.00 - $ 1,185.00Current price $ 1,185.00
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 $ 1,481.00Original price $ 1,481.00 - Original price $ 1,481.00Original price $ 1,481.00Current price $ 1,185.00$ 1,185.00 - $ 1,185.00Current price $ 1,185.00Save 20%
