Wellis Air Disinfection Purifier WADU-02 has been conducted pathogens (E. coli, Staphylococcus aureus, Pseudomonas aeruginosa, pneumococcus)
test at the Bangladesh government research institute on August 12, 2021 and the test result demonstrated excellent performance in both airborne and
surface disinfection.

The experiment was conducted at the Institute of Food Science and Technology (IFST) under the Bangladesh Council of Scientific & Industrial Research(BCSIR) and this is a procedure for governmental procurement purchases.