For Type I and II PVC and CPVC, 7/32" or 3/16" round rod when used with any of the 40s Series and FUSION Series welders. Applications for the KS-2 tip include the following: Electrical housings; battery boxes; junction boxes and consoles; bait boxes for boats; Air handling equipment (fume hoods, ductwork, exhaust fans, blowers, fume scrubbers, mist eliminators, pollution control equipment); Fish hatchery tanks; Plastic tropical fish tanks; Laboratory and Clean Room Sinks and Wet Process Benches.

WELDING ROD SIZE 7/32 or 3/16 round rod