Suitable for all kinds of diy reactors, and can be screwed directly onto carbonated beverage bottles to ensure safe, long-lasting use and no air leakage
Suitable for PU pipe with outer diameter 3.3mm and inner diameter 2.8mm

Material:ABS
colour:Khaki

Package Contents:
4 x Quick screw cap

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.