THE WORLDS WIDEST CAP!
HYDRA (Version 2) is the new standard in ULTRA wide caps. Specifically designed for high pressure cans like Mad Maxxx, Ultra wide, Turbo 750ml and Booster 600ml spray cans.
The cap fits 4mm male valves such as ultra wide cans (Mad Maxx/Ultra Wide/Booster) etc
Get your fill done 4 times faster.