Versaflo S-133 Headcover approved for use with certain 3M Versaflo Supplied Air Respirator and Powered Air Purifying Systems. This headcover is a facepiece which is loose fitting. Features and Benefits Designed to offer wearers the optimum level of comfort Suspensions which are easy to adjust and allow wearers to modify airflow distribution Soft pads for comfort and help provide stability, tracking and excellent fit Soft elastic for reduced air flow noise Versatile - can be used in a variety of different Supplied Air Respirator combinations and Powered Air Purifying Respirator Moving airflow will reduce visor fogging and may make environments which are hot more tolerable Visor offers an excellent field of vision