OIM1507 Features: * Provide an inexpensive way to convert open-top 30- and 55-gallon steel drums into fire-safe receptacles for combustible trash * Only a screwdriver and wrench are needed to attach the cover to a drum * Can easily be removed when the drum must be emptied * Gasketed, latched lid to seal the drum preventing vapor release * A vent is provided to relieve pressure build-up under elevated temperatures, between 3 and 5 psig * Price is for 1 Each Color/Finish: * Steel, with a highly chemical resistant powder coat paint finish Assembly Instructions: * Replaceable fusible-link assembly inside the cover melts at 165 F to automatically slam the cover shut if there is a fire in the drum to extinguish the flame