Hex Head Plug 4 in Nominal Pipe Size CPVC Schedule 80 Male NPT For Pipe Schedule 80 4 3/8 in Outside Diameter 2 1/8 in Overall Length 160 psi @ 73 Degrees F Maximum Operating Pressure 0 Degrees to 210 Degrees F Plug Construction Cored Plug Drive Style Hex Includes Pre-Applied Thread Sealant No Includes Seal No 4 In.-8 Gray