Space-saving SECURALL Vertical Drum Cabinets safely store both 55-gal. drums and 5-gal. cans. Double walls are constructed of 18-ga. steel and have 1-1/2" air space between walls. Internal floor rollers ease loading and unloading of heavy drums. Other features include: 2" deep bottom sill, 2" vents with flash arrestors, 3-point self-latching devices with flush-mount handles, and red warning stencil that spans both doors. Choose from three door types: manual close, sliding self-closing door with fusible link, or Saf-T-Door® with hydraulic door closer and two fusible links. Meets OSHA and NFPA standards. Made in USA.NOTE: California and portions of other localities may require self-closing cabinet doors. Please check your local codes before ordering. NOTE: NFPA CODE 30 limits storage in one cabinet to 120 gals. and only 60 of the 120 gals. can be flammable liquids.