Flexible Metal Hose Assembly, Hose Inside Dia. 1 1/4 in, Hose Length 36 in, Hose Tube Material 321 Stainless Steel, Hose Cover Material 304 Stainless Steel, Max. Working Pressure @ 70 F 645 psi, Temp. Range -325 Degrees to 1200 Degrees F, Dynamic Min....