1-1/2 Hour Electro
Model 75 Fire Dampers (1-1/2 Hr.)- are available with ETL
(Electro Thermal Link) in all normally available sizes for any
particular type damper - for horizontal and vertical mountings.
Refer to the ETL information sheet included in this catalog for
a detailed description of Electro Thermal Link (ETL), suggested
usage, and specifications.