Rectangle Trunk Louver Air Vent, Two 2" Duct Hose Inlets, Requires 2 Vents, Sold Each Large louver for use with Trunk mounted A/C Systems. Dimensions: 10" x 7" x 3-1/2" Recommended for use with Hurricane Trunk and Auxilliary A/C Units: IP-2000T, CAP-2000T, IP-2005T & CAP-20