The Universal B-Vent Cap by RHEEM MFG COMPANY is designed for optimal venting performance in gas appliances. This cap fits standard B-vent pipes, ensuring a secure and weather-resistant seal. Constructed from durable materials, it withstands harsh environmental conditions while maintaining efficiency. Its dimensions are compatible with most B-vent systems, making it a versatile choice for both residential and commercial applications. This vent cap complies with ANSI standards, ensuring safety and reliability in your venting system.