Gas Pyramid Patio Heater Outdoor 2.2m Stainless Steele Premium Luxury & Stylish Outdoor Furniture. Introducing the Gas Pyramid Patio Heater outdoor 2.2m stainless steel by mii furniture. Designed to provide a delightful warm ambiance, this patio heater is highly sought after in the hospitality and catering industries, making it the perfect choice for dining areas and bars.