A positive pressure airflow blower system configured to deliver microbe-free air to a target room. The positive airflow pressure blower system can comprise at least a) an air inlet sealingly connectable to an external air source that is external to the target room; b) a blower operably connected in sealed connection to the air inlet and configured to blow air solely from the inlet through an anti-microbe air filter into the target room; c) operably connected in sealed connection to the blower and the target room such that only air from the blower is transmitted through the anti-microbe air filter into the target room, wherein the anti-microbe air filter is sized and configured to remove at least bacteria, fungi and viruses from air passing through the anti-microbe air filter to provide microbe-free air; and, d) an anti-microbial seal disposed at a blower system-target room interface, wherein the seal is configured to seal the blower system-target room interface such that only microbe-free air is transmitted through the blower system and into the target room.
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