The 287178 replacement battery is designed exclusively for Miller's Generation 2 PAPR blower unit. This battery is not compatible with the Generation 1 PAPR blowers. These require the 244131 battery.
The 287178 replacement battery is designed exclusively for Miller's Generation 2 PAPR blower unit. This battery is not compatible with the Generation 1 PAPR blowers. These require the 244131 battery.