RA30022 Robinair Check Valve New Style (Each). Allows gas to flow in only one direction. Prevents backflow. (Coarse Thread Short)
Robinair does not warrant any "RA" repair item not installed by an Authorized Service Center.

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov