![KRC 12GM CO2 ACTUATOR CARTRIDGE PK-3](http://totallifesafetysolutions.com/cdn/shop/products/KRC_2_{width}x.jpg?v=1611194225)
CO2 ACTUATOR CARTRIDGES are UL classified for Kidde and Range Guard and, along with O-rings, must be periodically replaced in accordance with the Kidde or Range Guard manual. (Refer to manual for replacement intervals and installation instructions.) 12 g. Pkg/3.