Designed with the motor blower and filter built into the headgear. They provide face shield and hardhat features that comply with ANSI test requirements. 3M Powered Air Purifying Respirators PAPRs are motorized systems that use a filter to clean ambient air before it is delivered to the breathing zone of the user. A PAPR system typically includes a blower battery headpiece and a breathing tube. For all 3M Airstream High Efficiency Headgear-Mounted PAPRs and R-Series Headgear.Features. Product Type - Cradle Assembly. For Use With - Headgear-Mounted PAPR System. Color - White. Package Quantity - 1 per case. Includes - Cradle Assembly AS-150; Orange-Bordered Warning Label