GPJ LLCManufacturers of the one and only: Replacement Mounting Ring for ABS / PVC Closet Flanges THE CLAMHOME ABOUTTHE CLAM INSTALLINGTHE CLAM PURCHASINGINFORMATION DISTRIBUTORSWHOLESALERS CUSTOMERFEEDBACK Manufactured from 409 Stainless SteelUS Patent #6155606, and #6442769 PROUDLYMADE IN THE U.S.A...