GU LINER SYSTEMS
GU CONVERTIBLE COLLAR

BIG 5 Advantages of GU Convertible Collar - The GU Convertible Collar allows the frame and cover to accurately conform to grade surface and camber - No infiltration between grade rings with GU Lip Seal Gasket - Effortless incremental adjustment - No coring, cutting or grinding necessary - Fast and easy installation Overall height of GU Convertible Collar is 10 or 18 inches with an adjustable effective height ±4 or ±8 inches