Silicone Tube, Material Silicone, Cell Type Closed Cell, Shape Round, Outside Diameter 7/8 in, Inside Diameter 3/8 in, Length 5 ft, Color Red, Grade Standard, Density 20 lb/cu ft, Maximum Temperature 500 Degrees F, Minimum Temperature -100 Degrees F, Tensile Strength 200 psi, Texture Smooth, Wall Thickness 1/4 in, Firmness @ 25 Percent Deflection 5 to 8 psi, Outside Diameter Tolerance +/-0.100 in, Inside Diameter Tolerance +/-0.100 in, Length Tolerance +/-3.000 in