Good day, I am arman panti of Technical development for training and contracting base in riyadh, saudi arabia. one of our projects was in need of an upblast centrifugal exhaust ventillators with the following specs. wheel dia. 30\", 5HP, 1046rpm belt drive with a static pressure of 0.75. together with that please include the roof curb and accessories....hinged base, hinged base kits etc. please provide also me the necessary motorized backdraft damper for the unit. wish that you could send some technical information and price quotation A.S.A.P. thanks very much, arman panti I want to receive: Product Spec . Price Payment . Delivery Info . Product Catalog .