International Comfort Pro Piston .070 W/ Ptfe Ring. This is a genuine OEM (Original Equipment Manufacturer) part. Use genuine OEM parts for safety reliability and performance. International Comfort Products offer any home or business HVAC equipment manufactured at the highest quality to keep any area cool or toasty. Check our slection for furnace parts in fall or winter or AC components needed for spring and summer. ICP will cover you year round!