Fully complies with all regulations for the safe storage of chemicals and flammables popular for external fixed applications where security is also an issue fully welded and tested sump base to prevent leakage ultra robust 5 lever deadlocks with anti drill plates on both sides and anti cut rollers in deadbolt robust brass keys supplied high and low level ventilation to prevent build up of fumes flame arrester gauge fitted on all boxes finished in bright red with relevant hazard warning si