Product Name1/4" 6.4mm Black Polypropylene Plastic Pipe Union Y Hose Barb Coupling  TechnologyInjection Molding Connection MethodSharp Single Hose Barb for Flexible Tubing;
Easy Assembly Hose Barb for Rigid Tubing; ApplicationAnalysis, medical, biochemical, industrial, lab,food processing etc Adapted MediumGas/Liquid Material Natural Polypropylene or customized;

please consult customer service for more details.

Sharp Single Hose Barb:
A.Reducing Barb:
1/16"(1.6mm)x1/16"(1.6mm)x5/32"(4.0mm)ID Tubing;
3/32"(2.4mm)x3/32"(2.4mm)x5/32"(4.0mm)ID Tubing;
Other sizes can be customized, welcome to consult customer service!
B. Equal Barb:
1/16"(1.6mm), 3/32"(2.4mm), 1/8"(3.2mm), 5/32"(4.0mm), 3/16"(4.8mm)ID Tubing;
1/4"(6.4mm), 5/16"(7.9mm), 3/8"(9.5mm),1/2"(12.7mm)ID Tubing;
Easy Assembly Hose Barb:
A.Equal Barb:
3/32"(2.4mm), 1/8"(3.2mm), 5/32"(4.0mm)ID Tubing; 
B. Reducing Barb:
1/8"(3.2mm)x1/8"(3.2mm)x5/32"(4.0mm)ID Tubing; Shape Options2 ways: Straight "I" and Elbow "L";

3 ways: Tee "T", and Wye "Y";
4 ways: Cross "X" and Double Branch Tee "TT";

5 ways: "LLLL";
6 ways: 6 ways Cross "++";

3 Ways Wye "Y" Type Barbed Fittings With Equal Sharp Single Barb:





3 Ways Wye "Y" Type Barbed Fittings With Easy Assembly Hose Barb: