Inquiry (采购产品): Hepa Filters We are redesigning an Ozone air purifier that will incorporate a Hepa filter on the air intake section of the device. We are of the impression that Hepa is not totally needed but will be offering 3 phases of filtration; 1. Synthetic furnace type pre-filter, 2. Charcoal membrane and 3. Hepa filter. The dimensions are 35 mm thick X 225 mm Wide X 165 mm Tall How can we make a cartridge that can mix and match these 3 filter devices into that space? What are the parameters of Hepa filter that we must be aware of? **** Hidden Message ***** Allen Knoll 8 Stark Road Worcester, MA 01602 USA Company: American Technical Resources Title: Engineer Phone: 508 735 8044 E-mail: knolla@american-technical-resources.com **** Hidden Message ***** knolla@american-technical-resources.com