10 Face masks for use by health care providers; face coverings being sanitary masks for protection against viral infection; patient breathing system comprising a breathing circuit, connections to patient, fresh gas delivery circuit, and air recirculator; personal protective equipment, namely, masks for use by medical personnel and patients for protection against environmental pollutants, allergens, viruses, microbes, and dust particles; medical devices, namely, powered, air, personal respiratory devices in the nature of headbands, safety goggles and neckbands; Personal protective equipment, namely, protective headbands, safety goggles, and neckwear for medical use for protection against allergens, viruses, and microbes