2PCS 3/4 x 3/8 x 3/4 | 20mm-10mm-20mm Tee Heater / Water Hose Fitting Barb Volkswagen
This listing is 1pc of water/heater hose fitting guaranteed for performance. The fitting is made is made of quality materials (PA66-GF30) compatible with fuel/gas, and other common fluid types. Compliant wth SAE automotive standards. The barbed ends connect to hoses. No installation instruction is provided. 
 
Size
Outer Diameter of the Opening End: 20mm x 10mm x 20mm (3/4" x3/8" x 3/4")
 IMG_3113_副本.jpg Please note 
The measurements in the listing picture are approximate and refer to the outside diameters of the opening ends, and therefore the outside diameter at the barb is slightly bigger than the opening. This will allow you to connect to hoses with the internal diameters as measured. Normally, you will need to also use hose clamp to fasten (hose clamp is not provided).

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