4" Diam x 49-3/8" Replacement Quartz Tube w/ Rubber Ring for Gardensun, Hiland, Dyna-Glo, Legacy Patio Heaters. Upgraded material that last longer and increases refraction of light, resulting in shinier, less hazy glass. Quartz can also be subject to greater temperature and pressure as compared to glass and it has greater water resistance. Quartz Vs Glass - Water Resistance Test: This replacement quartz glass tube works for newer models of Pyramid Flame Propane Gas Patio Heaters that use a rubber O-ring at the bottom. In the Box: (1) One-piece Quartz glass tube 4" Diam x 49-3/8" L (100 x 1254 mm) (1) Black silicone rubber O-ring. WARNING. The black silicone ring must be in place prior to operating the heater. The replacement glass tube guide below is for reference only , it is the client's responsibility to measure the glass tube to confirm the dimensions, manufacturers might change their size without notification. Gardensun Models: BFC-A-SS BFH-A-SS, BFH-A-PC 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 Legacy Heating Models: CAPH-GT-S, CAPH-GT-SMOCHA, CAPH-GT-SS Dyna-Glo Models: DGPH301BL DGPH302SS Laurel / Shinerich Industrial Models: PH08-A, PH08-SB, PH08-SS (Square models only) Reference Part numbers: 584736, 639564.

Quartz can also be subject to greater temperature and pressure as compared to glass and it has greater water resistance. Upgraded material that last longer and increases refraction of light, resulting in shinier, less hazy glass. Hiland / AZ Patio Heaters Models (made AFTER 2016): HLDS01-CGTHG, HLDS01-CGTSS, HLDS01-CGTPC. Laurel / Shinerich Industrial Models: PH08-A, PH08-SB, PH08-SS (Square models only). In the Box: (1) One-piece Quartz glass tube 4" Diam x 49-3/8" L (100 x 1254 mm).