High quality crushproof hose fits into inlet valves that are 1.5+ inches in diameter such as Filtex with metal doors, and older Astro Vac, Vacumaid, and Imperium with single contact point inside the wall valve. The rubber hose end will not work with valves that have two interior contact points inside the vacuum hole. If you have Filtex, see the Filtex page for upgrade options. The Tapered Cuff comes attached to the hose. Use with any wands friction fit wands.