House of glass is a vancouver based company started in 1994. They have an unrivaled variety of strains to choose from and their craft house is at constant work coming up with more. They produce the finest pharmaceutical grade shatter around (75-90% THC). Through extended distillation, curing and vacuum purging H.O.G. eliminate all residual solvent and maximizes extract purity. The shatter’s highly concentrated form means that you need very little for it to have an effect. This ensures a clean experience and a healthy alternative to smoking.