End Cap For Nominal Duct Diameter 4 in Gas Appliance Category Not Applicable Inlet Diameter 4 1/2 in Material PVC Overall Length 3 1/8 in Product Type End Cap Inside Diameter 4 1/2 in Material Thickness 0.1875 in Weight 1 lb Maximum Pressure Rating 10 in wc Maximum Temperature Rating 140 Degrees F Seal Material Not Applicable Standards ASTM D1784 Cell Class 12454 Finish Not Applicable Color Dark Gray Overall Height 3 1/8 in Shape Cap Connection Type Socket End Type Socket