11 Plumbing fittings and fixtures, namely, pipe sealing plugs, pipe sealing plugs for testing for leaks, pipe sealing caps, valves, water hammer arresters, gas and water valve outlet boxes, washing machine valve outlet boxes, ice maker valve outlet boxes, dishwasher valve outlet boxes, toilet valve connection boxes, sink valve and drain connection boxes, outlet box faceplates, water closet and urinal flanges, water closet flange extension rings, urinal flange kits, water closet gaskets, water heater pans, water heater stands, washing machine pans, shower pan liners, bathtub trap and drain boxes, bathtub protectors, plastic valve boxes, plastic meter boxes, non-metallic roof flashing, and non-metallic rain collars for plumbing vent pipes; plumbing fixtures and fittings, namely, baffles, water closet rings, couplers, drains, sinks, spouts; shower, bathtub, and sink stoppers and strainers; traps, valves, and flexible pipes being parts of shower, bathtub, and sink plumbing installations; frames and panels for accessing plumbing; plumbing fixtures, namely, cleanout covers and plugs for pipes