VIDEO: N95 masks are ideally single-use, which contributes to the shortage felt by first responders amid the COVID-19 pandemic. That's why one southern Colorado fire department sought out a way to extend the life of each mask. South Fork Fire Rescue in the San Luis Valley says it's developed a way to safely reuse a mask up to 10 times. "This UVC Chamber allows the use of an N95 to be extended to 10 times vs a single-use," said Captain Tyler Schmidt with SFFR in a Facebook post. "It doesn't cure the current shortage being experienced during the COVID-19 Pandemic, but it will help us stretch our masks a little longer until the factories can keep up with demand." Schmidt posted a video explaining how to build the UV light chamber and the department's calculations.