SpearsĀ® 2-Piece Van Stone Flange, Flange Fitting, 2-1/2 in Connection Size 1, Connection Type 1: Spigot, 2-1/2 in Connection Size 2, Connection Type 2: Spigot, Spigot|Spigot Connection, CPVC, Material Construction: Molded CPVC, Orange, 1 in Flange Thickness, 4 Bolt Holes, 5/8 in Bolt Hole Diameter, Pressure Class: 150 lb, 175 psi, 6-15/16 in OD x 3-1/16 in H, 150 deg F, Additional Information: 5-1/2 in Dia Bolt Circle, 3-1/4 in Minimum Bolt Length