Models 1604DHPF and 1606DHPF Florida Product Approved High Performance Drainable Blade Louvers combine air intake and exhaust opening protection with pleasing aesthetics that compliment any structure’s exterior styling. Tested and qualified per Florida test protocol TAS-201 (Large Missile Impact), TAS-202 (Uniform Static Air Pressure) and TAS-203 (Cyclic Wind Pressure Loading) and approved for wind loads up to +/-150 PSF (size and configuration dependent, refer to Intertek Listing for size and design load rating). Suitable for use in exhaust and high velocity intake applications, the drainable blade design utilizes rain gutters that divert collected water down concealed side downspouts and out the sill. Listed to AMCA 540 Level D and E (1606DHPF only) and AMCA certified for 500-L Air Performance and Water Penetration.