PAPRs is one of the proudest projects of ours. It is not because of the design solution that we came up with that can save a lot of materials and weight for the users, but also because it is the project that is in urgent need of helping medical personnel to fight back with the Covid-19 pandemic.The PAPRs is the project of The THAIMIC or Interdisciplinary team has gathered experts in various fields to invent the medicals devices that are in shortage, which must be safe for the medical team and patients. And the first 6 filters set were already delivered to the Siriraj Hospital on May 5th, 2021, and repeated mass production lot is ready to deliver soon later.