The 8-inch diameter O-Ring is designed to fit securely in the Air Meter Lid, creating a tight and reliable seal between the base and lid. This ensures accurate pressure readings and prevents air leakage during testing. Specifically made for the Gilson Concrete Air Meter, this durable O-Ring is crafted from high-quality materials to withstand heavy use in demanding construction and lab environments. Ideal for maintaining the efficiency and precision of your concrete air meter.
