Achieve a secure and efficient installation with Imperial’s Dryer Block Adapter, designed to provide a flush mount for vent caps. Compatible with all Imperial vent caps, including louvered, preferred, and single louvered plastic models, this adapter ensures a seamless fit without the need for screws or caulking. It channels moisture away effectively, improving overall ventilation and preventing moisture buildup. Perfectly designed to fit a 4-inch opening, the Dryer Block Adapter offers an easy, hassle-free solution for vent cap installations, enhancing the durability and performance of your ventilation system.