PVC Thread Plug | 1/4 inch / 3/8 inch / 1/2 inch / 3/4 inch / 1 inch / 1 1/4 inch / 1 1/2 inch / 2 inch
LASCO 1-1/2-in Schedule 40 PVC Plug at Lowes.com
PVC Fittings Plug 1/2" (15MM)
Charlotte Pipe 1/2 in. PVC Schedule 40 Plug PVC 02113 0600HD - The Home Depot
12" PVC SDR35 Gasket Joint Spigot Plug - The Drainage Products Store
PVC Waste Plug 4"
Amazon.com: White 3/4 Inch MNPT Male Pipe Thread Plastic Pipe End Cap 3/4 inch PVC Male Threaded Pipe End Plug Sch 40 PVC Threaded Plug for Home Sewer Plumbing Water Line :