AZ Patio Heaters THP-GSL-REG 3/8 3/8 Fitting Gas Supply Line and Regulator for Tall Patio Heaters Most Common Female end connects directly to main burner, female coupler attaches to propane cylinder This hose and regulator has a standard 3/8" Female compression fitting which connects to burner head Used on models: HLDS01-CBT, HLDS01-BST, HLDS01-PCT, HLDS01-SSBLT, HLDS01-SSHGT, HLDS01-SSHST, HLDS01-BWT, HLDS01-WCGT Will fit Home Depot models: HSS-A-SS, HSS-A-GH, GS4400BK, GS4400GD, GS4400SS. Will fit (ACE) Living Treasure outdoor patio heater model # 4526190