With diameter：60.60 mm

High total：9 mm

Product manual：Ultrasonic welding waterproof breathable explosion-proof security cover, for 18L ~ 20L PP material injection molding barrels. This cover looks beautiful, compact design, good sealing, not only can fully play the anti-theft function, more waterproof aUnder the cover with a professional waterproof breathable membrane, effectively prevent the barrel of the pressure or gas does not cause the barrel to expand or even crack; open the liquid, pull the moderate strength, with spoiler ...