Pyramid Tower Freestanding Gas Patio Heater Garden Outdoor with Ignition GW366. This Pyramid Tower Gas Patio Heater from Gardenwize helps you; your family members and your guests keep nice & warm when it’s cold outside and during chilly nights. It is the ideal heater to have in your garden for hosting outdoor parties, BBQs and dinners. For use on decking, patios and terraces. A wonderful addition to your back garden. Dimensions: 220cm x 52cm x 52cm. Suitable for all year-round use. Gas cylinder not included.