Booster Line 3 : Booster lines is a hose that is usually one inch in diameter and rubber jacketed. They are used on small fires using the water carried in an apparatus' booster tank and are usually stored on reels
Pacific Northwest Chapter of The Society for the Preservation and Appreciation of Antique Motorized Fire Apparatus in America SPAAMFAA, Fire Apparatus Terminology, La Center, Washington, USA 2002. (Fr Srvc - Amer) {455}