Special features include:

• 2 hour. 350° factory fire rating. Tested at temp up to 1850°F for a period of 2 hours. Interior temp did not exceed 350°F.
• Extra-strength, six-sided protection against concentrated attacks with mechanical and electrical tools.
• Superior construction quality of more costly units at an affordable price.
• Door barrier thickness of 3.54".
• New dimensions that allow models to fit through narrow doorways and into tight spaces.