The JanSan 1.5in to 2in Stainless Steel Hose Joiner allows quick, easy connection of two separate 1.5in and 2in vacuum hoses. Ever want to reduce your 2in vacuum hose down to 1.5in vacuum hose without having to remove any hose cuffs? Just push the vacuum hose cuff of each separate vacuum hose over the ribbed stainless steel end and you are joined together! The strong, air-tight connection allows you to create longer hose runs on the job as needed.