The 4Rubber Plug by Fittings Unlimited Inc is designed to effectively seal 4-inch openings in various applications. This high-quality rubber plug provides a secure fit, preventing leaks and contamination. Its durable construction ensures long-lasting performance, making it suitable for both commercial and residential use. The plug is easy to install and remove, allowing for quick access to the system when necessary. Ideal for plumbing, HVAC, and industrial applications, this rubber plug is an essential component for maintaining system efficiency and safety.
