The Pentair 590321 is a Natural Gas Burner Orifice compatible with Fire and Water Bowls. It is manufactured to function in altitudes from 4,001' to 6,000'. Dazzle a backyard oasis with the flickering of flames or relax to the soothing sounds of falling water with MagicFlame. With five finish options to match most poolside decors, MagicFlame is the perfect pool accessory to make backyards a step away from paradise. Made with durable glass fiber reinforced concrete, MagicFlame can add warmth to pool ambiances and activate the swimming senses for years to come.