Please contact us for the best price and delivery time of Rittal SK 3312.820 SK IT air duct for Blue e+ wall cooling unit 3312810, For usage in combination with Blue e+ wall cooling unit 3312810, Installation in 19" frame. We will submit your offer to you as soon as possible. You can contact us within the SK 3312.820 coded product or any product belonging to the Rittal brand.