Description: Suit for RV /Camper/boat/yacht/Sailing boat/marine 316 stainless steel, corrosion resistant and durable No fasteners required for installation Good replacement, fit for 3" to 3.25" pipes 100% Brand new and high quality Specification: Part Number: 81932SS-HP Diameter: 3?/76mm Cutout: 3.25?/83mm Net Air Flow Area: 3.997 square inches Package Includes: 1 Piece Boat Marine Air Flow Vent
