Tall Quartz Glass Tube Heater - Glass Tube Replacement for Pyramid Style Flame Patio Heaters Glass Tube Replacement for Pyramid 4-Side Outdoor Patio Heater Demension 50 Inches x 4 Inches The single tube will also fit models that come with a two-piece tube Fits: Fire Sense/AZ Patio Heaters/Garden Radiance/Well Traveled Living Fits: Golden Flame, Prime Glo, Hiland & Costco Models 61220 & 61221