I have for sale some AEROSTAR Brand New Filters. They were over stock through our school systems and are all sealed and brand new. Retail Value over $100.00 each I have a 9 sealed boxes of 24x24x12 size. And 1 Sealed box of 24x12x12 size. Would like to sell them as a lot but will entertain offers for each or a few. Asking $30 for each box. (Plus Hst) Don't hesitate to email me a offer. This ad was posted with the Kijiji mobile app .