Katalyzer V.A.P : vaporisateur CBD pour fleurs de CBD et concentrs The Weha is a portable vaporizer designed by the French brand @katalyzer420. It works with two interchangeable glass bowls, allowing you to always have a ready to use chamber. The vapor path is almost The Weha is a portable vaporizer designed by the French brand @katalyzer420. It works with two interchangeable glass bowls, allowing you to always have a ready to use chamber. The vapor path is almost Rocket Stem V.A.P Katalyzer