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 leakageSuitable for PU pipe with outer diameter 3.3mm and inner diameter 2.8mmMaterial:ABScolour:KhakiPackage Contents:2 x Quick screw capOnly the above package content, other products are not included.Note: Light shooting 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.
