1)100%CSA tested and approved                                                                                                                  2)Complies to ANSI Z21.24/CSA6.10 Connectors for Gas Appliances ANSI Z21.75/CSA6.27 Connectors for Outdoor Gas Appliances and Manufactured Homes.                                                    3) 100% tested and inspected for leaks and defects before dispatching                                             4)Manufactured in facilities which are ISO 9001 Certified and CSA inspected each three month