The p-trap with union is a plumbing component designed for drainage systems, specifically for use in residential or commercial plumbing setups. this p-trap features a 1-1/2" nominal size and a hub connection type, allowing for direct integration into standard piping configurations. constructed from abs material, this component is finished in black and is intended for use in drain lines to prevent sewer gases from entering the building through the drain. the inclusion of a union allows for easier installation and maintenance, as it provides a point where the trap can be disconnected without cutting the pipe. this p-trap is designed to maintain a water seal in the trap arm, which is a standard requirement for plumbing drainage systems. the abs construction provides a rigid and stable structure for the drain assembly. this unit is suitable for various plumbing applications where a reliable trap is required to manage wastewater flow and maintain sanitary conditions in the drainage system. the hub connection ensures a consistent fit with compatible piping, facilitating a straightforward assembly process for plumbing professionals and diy users alike.