Abstract: The present invention is directed to a portable, rechargeable, sanitation device that easily disinfects masks, as well as other items, by inactivating viruses and bacteria present on the mask's surface via exposure to UVC light. This sterilization device is composed of a mechanical case to storing the mask, a novel fastening device to ensure mask is properly secured in place for maximum sanitation effect, an optical component consisting of multiple UVC LEDs, a rechargeable power source, and a visual display that indicates the sanitation and lighting status of the device. This device will encourage adoption of reusable masks as opposed to one-time use, reducing costs of purchasing multiple masks as well environmental impact produced by single use waste. The device will ensure an easy solution for proper and frequent sanitation of face masks, meeting current CDC guidelines. Kits comprising the device and one or more attachment or mounting apparatus are also provided herein.

Abstract: The present invention is directed to a portable, rechargeable, sanitation device that easily disinfects masks, as well as other items, by inactivating viruses and bacteria present on the mask's surface via exposure to UVC light. This sterilization device is composed of a mechanical case to storing the mask, a novel fastening device to ensure mask is properly secured in place for maximum sanitation effect, an optical component consisting of multiple UVC LEDs, a rechargeable power source, and a visual display that indicates the sanitation and lighting status of the device. This device will encourage adoption of reusable masks as opposed to one-time use, reducing costs of purchasing multiple masks as well environmental impact produced by single use waste. The device will ensure an easy solution for proper and frequent sanitation of face masks, meeting current CDC guidelines. Kits comprising the device and one or more attachment or mounting apparatus are also provided herein.

Abstract: A pneumatic system for comparing air flow characteristics of different unknown flow restrictions. The first head or piece of equipment and a base orifice are installed in turn on the flowbench and air flow rates are measured for each using a critical flow venturi nozzle. The base orifice flow rate is referred to as p.sub.1. The first head or piece of equipment flow rate is referred to as p.sub.2. A small orifice is identified which equates in flow rate to the first head or piece of equipment, p=p.sub.2. A flow coefficient can be calculated were R.sub.1 =p.sub.2 /p.sub.1. A second head or piece of equipment, for comparison, is then flow tested at the same location or at another location under different atmospheric conditions. The ratio of the first condition flow rates p.sub.2 /p.sub.1 multiplied by the base orifice flow rate at condition two, p.sub.3, allows calculation of a theoretical flow rate for the first small orifice (or first head or piece of equipment) at condition two, p.sub.4.