This Highland replacement Quartz Glass Tube for 4-Sided Tall Pyramid style/Flame style patio heaters. Measures 49.5" x 4" and fits the majority of all 4-sided Pyramid style heaters sold during the past few years. Fits 4-Sided Glass Tube Pyramid style heaters. This single-piece glass tube will also replace the two-piece glass tubes used in the Pyramid heater. In the Box (1) 1-piece glass tube 4" Diam x 49.5" L (2) 1-PC Black silicone rubber O-ring Applicable brand Fire Sense, AZ Patio Heaters, Garden Radiance, Well Traveled Living, Golden Flame, Prime Glo, Hiland & Costco Models 61220 & 61221, LAVA Heat, Lava Lite KD, Belleze, Garden sun, Napolean, Xtremepower USA, Thermo Tiki Reference Part number Fit Gardensun Models: BFC-A-SS, BFH-A-SS Fit Hiland / AZ Patio Heaters Models (made AFTER 2016):HLDS01-CGTHG, HLDS01-CGTSS, HLDS01-CGTPC HLDS01-GTHG, HLDS01-GTSS, HLDS01-GTPC HLDSO1-WGTHG NG-GT-BRZ Fit Legacy Heating Models: PH-GT-S, CAPH-GT-SMOCHA, CAPH-GT-SS Fit Dyna-Glo Models: DGPH301BL DGPH302SS Fit LAUREL International Corp./Wellife Models: PH08-A, PH08-SB, PH08-SS Fit Reference Part numbers: 584736, 639564 The replacement parts are compatible spare parts (non-original) and the brand names mentioned above and any associated model names are only used to demonstrate compatibility. It's a direct replacement, and it looks, installs, and works like factory parts. High temperature resistance Patio heater glass tube can be used for a long time at 1100℃, up to 1450℃. Corrosion resistance The corrosion resistance is 30 times that of ceramics and 150 times that of stainless steel. Good thermal stability Heated to about 1100℃, it won’t burst even when placed in water at room temperature Good light transmission performance Visible light transmittance is more than 95%, and it can reach more than 80% in the ultraviolet spectrum. Replaces broken 2-PC Glass Tubes Glass Tube Replacement for Pyramid 4 Sides Outdoor and Patio Heater. Rubber Ring Support Ring for all Glass Tubes of ø4" Outdoor and Patio Heate. The Superior Quartz Glass Tube will also fit models that come with a two-piece tube for AZ with connecting ring. 49.5" X4" Patio Heater Glass Tube with Neoprene Ring Silicon Ring Support Ring 51.2" X4" Patio Heater Glass Tube with Neoprene Ring Silicon Ring Support Ring 2-PS 49.5" X4" Patio Heater Glass Tube with Neoprene Ring Silicon Ring 20.75" X 4" Square Flame Finish Patio Heater Buying Options Add to Cart Buying Options Buying Options Customer Reviews 4.5 out of 5 stars 582 3.9 out of 5 stars 26 4.5 out of 5 stars 582 5.0 out of 5 stars 2 Price $52.99$52.99 $64.99$64.99 — no data — no data The length of the glass tube 49.5 in 51.2 in 49.5 in 20.75 in Packing quantity 1 1 2 1 Main adaptation type 4-sided patio heater 3-sided patio heater 4-sided patio heater Square Flame Finish Patio Heater PLEASE NOTE 1. During the process of removing the glass tube, be sure to keep it flat on the ground and open it. Otherwise, the glass tube is easily broken. 2. The black silicone ring must be in place prior to operating the heater.