Flexible Metal Hose Assembly, Hose Inside Dia. 4 in, Hose Length 18 in, Hose Tube Material 316 Stainless Steel, Hose Cover Material 304 Stainless Steel, Max. Working Pressure @ 70 F 299 psi, Temp. Range 32 Degrees to 850 Degrees F, Dynamic Min. Bend Radius (In.) 22 in, Hose Fitting A Material 316 Stainless Steel, Hose Fitting B Material 316 Stainless Steel, Hose Fitting A Type M Floating Flange, Hose Fitting B Type M Floating Flange, Hose Fitting A Size 4 in, Hose Fitting B Size 4 in