#78025 Half Mask Set; complete with step down regulator and belt

#78050 Half Mask System; includes #78025 and 25' hose* with quick connectors

#78055 Half Mask System; includes #78025 and 50' hose* with quick connectors

NOTE: (*) These hoses are made of specific non-gassing type materials which are intended for use with air supplied breathing systems, and are not to be interchanged with other air line hoses.