Click to expand Tap to zoom Air King 4 Inch Round Roof Cap Vent Kit (RCB810) SKU RCB810 by Air King Original price $38.75 - Original price $38.75 Original price $38.75 | / Quantity Add to cart More payment options This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Usually Ships in 5-10 Business Days