Designed for the keen gardener looking to grow a range of seed varieties the size of the electric heated base lends itself to use in a greenhouse or on a spare room table top the four top allows added user flexibility featuring 4 independent small vented propagators each 23cm x 17cm x 6cmr the heated base contains a 50 watt carbon fibre element for even heat distribution and features an in built fixed temperature thermostat designed to maintain a compost temperature of 19deg centigrade t