Iolite portable vaporizers that makers behind it Oglesby & Butler have created a very high quality vaporizer that produces vapor powered by butane and one of the most effective vaporizers that has hit the market. The Iolite is patented in over 150 countries and is considered one of the best butane powered portable vaporizers in the would. This vaporizer type is made in Ireland. Iollite company utilizes their vaporizers to be powered by flame without having to use any batteries or electricity to power these handheld portable vaporizers. The quality and durable components without causing combustion is what make iollite vaporizers really popular.