sabler buse karcher
https://www.youtube.com/watch?v=PZr8yACbhe4 la buse
le karcher: https://chambery.entrepot-du-bricolage.fr/pr-nettoyeur-haute-pression-k7-premium-full-control-plus-karcher-oute0202-1183400,60590,264,1094,2430.htm