This ECCO FLEX gas vent connector is a high-quality product designed for use in heating and cooling systems. The round shape and 4-inch height of the vent make it a versatile choice for any home or business. Made from durable aluminum and metal materials, this vent is built to last and provide reliable performance for years to come. With a brand name like ECCO, you can trust that this vent connector is designed and manufactured to the highest standards. It's easy to install and use, and is compatible with a range of heating and cooling systems. Whether you're looking to upgrade your current system or replace a damaged vent, this ECCO FLEX gas vent connector is the perfect choice.