Black Swan Light Cutting Oil is a heavy duty sulfurized-chlorinated base oil that helps cut clean

3 fins per inch set at 35° angle

due to grade adjustments

discharge with 3/4 in

1 1/2" Chrome Plated

2" PVC CHECK VALVE SOLVENT ENDS COPPER COUPLING-PRESSURE FITTI Black Swan Light Cutting OilPermit water to flow in one direction within a line with the ProLine Series PVC Check Valve. It acts as a backflow prevention device to prevent water from backing up into the fresh water supply. A steel spring poppet with a rubber o ring is the internal mechanism preventing water backflow. An arrow is molded onto the valve body to ensure correct installation for proper flow control.