Empty Cylinders are required at this time in order to receive a new filled bottle.    "Calor" are not allowing new cylinder agreements at this time without a cylinder to exchange, this is due to a nationwide cylinder shortage.   We can only accept the Calor or CampingGaz brand cylinders.   Our prices listed below are collected ex. Stockbridge Nursery in Dunblane, delivery can be arranged and may be subject to surcharge.