It is crystal clear

Black Swan's All Weather PVC Cement - Medium is a clear

It is suitable for low pressure steam and water service

and a variety of household chemicals

Wye-Pattern Strainers are used in liquid and steam applications

1-1/2" CxC SWING CHECK VALVE 150# WOG BRASS THREADED DWV WYE It is crystal clearThe ProLine Series Swing Check Valve offers plumbers an optimal choice to prevent backflow. Built of a solid brass body, this valve contains a swinging gate that opens when water flows out but will shut if the flow is reversed. This valve is ideal for both residential and commercial applications.