Specifications include, but are not limited to: Technology Description- Centrifugal blower and filter housing assembly with electric motor. Filtered air intake, distributes air inside tank for ventilation of tank head space, designed to evacuate volatilized THM's, gases and other contaminants from the head space. Part Number - 100716 materials of Construction - T316 stainless steel, with gray epoxy or powder coating. Duct Sizing Requirement - O 18' minimum or equivalent open space. (O 24' recommended.) Air Filters - Six Filter Elements, 98%+ removal efficiency to '10 micron, synthetic felt air Filter. Each rated for 3000 CFM (E5 m3/min). 3ofi'? sur{ace area, washable, galvanized steel reinforcement frame. Dimensions: 24' X24' X2' Replacement Filters PN: 20012066 Air Flow Rate - Tank gravity vents must allow for 250 square inch (after screens and mesh) minimum open surface area per blower.