POSITIVE PRESSURE – CERTIFIED by UL to ANSI/UL10C, complies with IBC, NFPA 80 and NFPA 252 for application to Hollow Metal Fire Doors and Frames rated up to 3 Hours.
CERTIFIED by UL to CAN/ULC-S104 and ANSI/UL10B, complies with NFPA 80 and NFPA 252 for application to Hollow Metal Fire Doors and Frames rated up to 3 Hours.