Thanks Simon- looks good.@Maddog, our V2's are made with Polycarbonate. The test unit that I have in the office does not produce 'dust' from opening and closing - we will continue to test.
https://goo.gl/photos/HrN8Y6DNTzjK7c5c7
@Greg Parker, if one of your units detaches easily - send me a PM for a replacement.