The 1 m suction hose for cordless Kärcher backpack vacuums comes with a click fastener and a clip 2.0 connection on the accessories side. All clip 2.0 connections are compatible with vacuum cleaners from model year 2017.
Clip 1.0 connections are compatible with vacuum cleaners manufactured up to 2016. ¹⁾ Clip 2.0 connections are compatible with vacuum cleaners manufactured in 2017 or later. ²⁾ Bayonet 1.0 connections are compatible with vacuum cleaners manufactured up to 2016. ²⁾ Bayonet 2.0 connections are compatible with vacuum cleaners manufactured in 2017 or later.