110V Vertical Laminar Flow Hood Air Flow Clean Bench DustFree Work with HEPA Filter 99.99%(0.5um). Package size: 73.2''20''25.9'. Material: Aluminum zinc, aluminum leaf (fan). Efficiency: seclude 99.99% particulate(0.5um) from air circumstance.Extremely low operating power consumption, effective cost reduction. Built-in air duct diversion system, reduce noise, increase fan service life and improve fan efficiency. Multi-wing centrifugal fan can provide high air volume and high static pressure conditions;Ensure use in different environments. It is suitable for assembling ultra-clean production lines, which can be configured to be used by one or more sets according to the requirements of the process, or can be connected in series to form a 100-level assembly line. Detailed installation steps can be viewed on YouTube. We have other models of machines in our company, If you need to contact our customer service. Orders are processed from Monday-Friday; Not on the weekends & public holidays. We will work with you to get the case resolved in the fastest method. Please contact with us at first for more details. If product was received damaged or not as described, please send us some pictures or videos, so we could well understand your problem, then solve them for you ASAP. Besides, it's much helpful for us to claim with UPS, remind our related department to pay much more attention to packaging later on. If an item is received damaged, customer service must be contacted within 7 days of receiving your item. Payments via eCheck do not clear immediately. Usually you will wait 5-7 days after checkout for it to clear.