Economical way to convert open-top 55-gal. steel drums into fire-safe receptacles for combustible trash. Easily attaches using only a screwdriver and wrench. Easy to remove. Covers are steel with a highly chemical-resistant powder-coat paint finish. Will fit drums from 22 1/2 to 22 3/4 in diameter. Replaceable fusible-link assembly inside cover melts at 165 F to automatically close cover if there is a fire in the drum to extinguish the flame. FM tested and approved. Please call for special pricing.