Ideal Vacuum | Adapter KF-50 to 1-1/2 inch PVC Flex Hose Tubing, ISO-KF Flange Size NW-50, Schedule 80 Polyvinyl Chloride
The Plumber's Choice 1-1/2 in. Floor and Ceiling Plate Cover Split Flange, PVC Escutcheon Plate, Universal Design, White (5-Pack) 243334-QX-5 - The Home Depot