Seadog Louvered Vent Injection Molded ABS These Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Avoid contact with acetone or strong solvents. Constructed of UV resistant injection molded ABS. Installs with #8 FH fasteners (not included). Available in black or white. SKU A (Cutout Size) B C (Overall Size) D Color Vent Area Fastener Weight 337380 1-7/8" 4-1/4" 3" 5-1/2" Black 3.33 in2 #8 FH 0.1 337390 3-11/16" 4-1/4" 4-7/8" 5-1/2" Black 6.65 in2 #8 FH 0.16 337400 3-11/16" 9" 4-7/8" 10-1/8" Black 13.30 in2 #8 FH 0.3 337381 1-7/8" 4-1/4" 3" 5-1/2" White 3.33 in2 #8 FH 0.1 337391 3-11/16" 4-1/4" 4-7/8" 5-1/2" White 6.65 in2 #8 FH 0.16 337401 3-11/16" 9" 4-7/8" 10-1/8" White 13.30 in2 #8 FH 0.3