Blind Flange, Body Material CPVC, Schedule 80, Pipe Size 1-1/2", Max. Pressure 150 psi 73 Degrees F, Outside Dia. 5", Number of Holes 4, Color Gray, Max. Temp. 210 Degrees F, Standards ASTM D1784, NSF14Features - Outside Dia. - 5" Number of Holes - 4 Color - Gray Max. Temp. - 210 Degrees F Standards - ASTM D1784, NSF14WARNING: California Residents This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm.California proposition 65 warning