Quick and easy to use. Designed to help with the reduction and removal of frost and ice build up. Helping to extend the time between full defrosts. It helps prevent long term damage to fridge freezers & helps the work more efficent. Quick and easy to use. Designed to help with the reduction and removal of frost and ice build up. Helping to extend the time between full defrosts. It helps prevent long term damage to fridge freezers & helps the work more efficent.