Made in the USA, the Bat Valve is a new one-way eviction device for bat removal. Model TBV-SG3 is ideal for soffit returns and gable vents; TBV-FLEX2 is ideal for corners/drip edge and even birds in vents; and TBV-FR4 is ideal for frieze gaps and ridge vents. The valves are designed to be durable for years of service, offer quick and easy installation, and provide a professional appearance. Their self-supporting, adjustable bat tube is designed for optimal positioning. The product website features video of the valves in action from wildlife control companies across the country.