The CleanSpace helmet hook strap accessory (PAF-0075) is designed to be used with a CleanSpace respirator; it is designed for use when wearing the respirator with a safety helmet; when the helmet hook strap accessory is interchanged with the rear tail on the head harness, it comfortably supports the CleanSpace respirator without interfering with the safety helmet; compatible with all CleanSpace PAPR units; designed for comfort over long periods; easy and quick replacement; product weight 25 g; product dimensions 950 x 350 x 600 mm.