Fig. 1From: Disinfection efficiency test for contaminated surgical mask by using Ozone generatorAcrylic box for connection to the O3 generator. Two pieces of 5 mm thick acrylic of size 0.68 × 1.15 (width × length) and 4 pieces of size 0.68 × 0.68 (width × length) were used to construct the box. Each side of the acrylic was designed to have a 25 × 25 mm connector for connection with the O3 generator and for opening to replace the O3 gas with O2. A manual lock was provided on the door side, and wheels were connected for easy movementBack to article page