Additional InformationASTM G21|cULus Listed|FBC System Compatible|UL R25101
Marketing InformationThe HydroFlame™ Pro water module provides additional water protection for HoldRite® HydroFlame™ Pro Series sleeves and prevents debris from falling into annular space around piping. Use of a water module is fully optional and is not required to obtain a W rating. The mid body seal in standard HydroFlame™ Pro Series sleeves already provides a UL-W rating (refer to UL System data for specific sizing requirements).