What governing authority approves the cylinders?
Depending on country location the Lite Cylinders are approved by the following governing bodies: Department of Transportation (DOT)—Special Permit #14562 Transport Canada—SU 8717 EN 12245 is certified by TUV Rheinland; Certificate # 01 202 630 1A-08010GT for the 10 lb. Certificate # 01 202 630 1B 08023-T for the 20 lb. and 25 lb. ISO # 11119-3 The values are approved for US and Canada and are UL Listed; for other countries they are “pi” marked.