COMPATIBILITY – PLEASE CHECK YOUR MACHINE FOR COMPATIBILITY BEFORE PURCHASE. Standard 1.5” diameter fitting allowing this attachment to be used with most backpack vacuums such as Proteam, Powr-flite, Sanitaire, Tornado, Clarke, Electrolux, Tenant, Windsor, Minuteman, Rubbermaid, Prolux, GV, Hoover, Bissell, Titan, Sandia, Koblenz and others HIGH QUALITY – Our 1.5” replacement backpack vacuum attachments are made to match the original OEM quality. Look no further for durable high quality vacuum accessories that will last and make cleaning up so much easier! CLEANING – Expand the versatility of your vacuum with our extension wands. The button lock allows the 2 pieces to separate allowing for larger debris pick up! USA BASED - Our replacement parts and accessories are proudly distributed in the USA with our customer service residing here as well. Have a question about a product or fitting? Message us and we will get back to you as soon as we can! ALL PARTS ETC. Crevice Tool 15 Inch Vacuum Attachment Compatible with Proteam, Powr-flite, Sanitaire, Electrolux, Tenant, Windsor, Prolux, Hoover, Tornado, Bissell, Titan and More