Received my set of icon air purifiers, one did not work tried contacting the Lab Charge customer service, they do not answer the phone calls. The direct you to their 24/7 email site, have emailed them 5 times still no reply. Plus I was charged a bill for $45.00 and another bill for $135.52; second one was the cost for the set, no idea what the $45.00 was for. This has been a terrible company to do business with. And the air purifiers do not work as stated in the sale demo. Stay away!