3dCarbon 691106 04-08 Ford F150 Urethane Front Fender Vents TYPE I with Horizontal Cross Bar w/Grille (Pair) Exclusive Aluminum mesh grille is pre attached to each vent. Need to be prepped - primed and painted prior to installation. The installation requires cutting a hole in the factory hood, we supply a template for the location of the hole however we strongly recommend that a professional installation shop such as an automotive sunroof installer do the installation. No screws or bolts are required for the installation, each vent comes with 3M Double face tape. SOLD AS A PAIR (1-Left and 1-Right). Each vent measures 11.50 inches front to rear and 7.50 inches top to bottom.