PRE-INSTALLED with a remote ready propane gauge for accurate gas level readings FITTED WITH HIGH QUALITY VALVES - 3/4 inch ACME fill valve, service and relief valves. SHIPS EMPTY, pre-purged, vacuum sealed and ready for filling with propane COMES WITH PLASTIC LID COVER for protection of the valves and gauge (Lid may be White or Black) Manufactured to Department of Transportation (DOT) or Transport Canada (TC) specifications in facilities that have a Quality Management System certified to ISO 9002 requirements