Scafatio PVC Bottle Trap With Waste is a plumbing accessory used in drainage systems to prevent odors and gases from entering a building through the sink or basin. It is designed to trap a small amount of water in its curved section, which creates a barrier between the drain and the rest of the plumbing system.

This refers to the diameter of the trap's inlet and outlet connections, which are typically measured in inches. It means that the trap is designed to fit pipes with a diameter of 1.25 inches. Scafatio Bottle Trap with Waste is a plumbing trap made of PVC and designed to fit pipes with a diameter of 1.25 inches. It helps prevent unpleasant odors and gases from entering a building through the sink or basin drain.