Dixon® Cam and Groove Dust Plug, Type DP, series: Boss-Lock™, Fitting/Connector Type: Plug, 4 in Nominal, 3-1/16 in Length, Aluminum, 4-45/64 in dia, Domestic.
Features
Dust caps and dust plugs are not to be used in pressure applications for safety and environmental reasons
Warning: this product contains a chemical known to the state of California to cause birth defects or other reproductive harm