Koress Hookah - K3 Koress is a hookah stem with a traction control system wigh allows you to regulate the blow from easy to classic anytime while smoking. Three indicators of traction on the stem are regulated by a special pad on the main part with a vertical stroke. Hookahs are made of steel AISI-321 with a base of Polyacetal and plastic lining on the stem. *Hookah vase is not included. Features :