ceiling sander head vacuums dust collection hose Made of Premium Flexible PVC，hose Inside with Steel wire hose Inner diameter 32mm, outer diameter 39mm, length 45cm vacuum pole sander head hose for most Extendable Handle or Foldable Handle Sander Please Note Hose Respectively（Ordinary Type，Thickening Type, Transparent, Spring，Transparent lengthen）Multiple Options  Transparent lengthen，length 60cm，Spring Type length 24cm extension to 70cm  ceiling sander head vacuums dust collection hose Made of Premium Flexible PVC，hose Inside with Steel wire