Pros: + Good fit on all types of faces + Comfortable to use; does not itch or sweat of feels any sort of discomfort + Light and easy to dismantle/clean + No headaches or nauseating feel + Yields fresh odorless clean air Cons: - Wearing it needs a bit of patience and precision; can't just drag it... Pros: + Good fit on all types of faces + Comfortable to use; does not itch or sweat of feels any sort of discomfort + Light and easy to dismantle/clean + No headaches or nauseating feel + Yields fresh odorless clean air Cons: - Wearing it needs a bit of patience and precision; can't just drag it on your face due to its slightly complex fastening belt system. Other thoughts: - Could not find replaceable cartridges compatible with it anywhere on the web. It would be great if spare cartridges would also be made available. The mask is quite durable and does not need changing with every cartridge. Overall: Absolutely great product for its price and usefulness! Read more