Leisure Coachworks Replacement Sidewall Vent - White Free Shipping Ships Same Or Next Business Day ---RV/Trailer/Camper ---Compatable with most popular ducted stove/range hoods. ---Constructed of durable injection-molded high impact resistant Poly-styrene plastic ---Excellent weather proof material will provide years of service. ---Rough opening size of 10 3/8" by 3 1/2" ---Outside flange measures 11 5/8" wide x 5 1/4" High ---Lockable clips prevent the internal flap from damaging itself during transport.
eBay