Description: Part # PD2 1- 2” Port Donut Fits standard SCH 40 PVC pipe and SCH 40 ABS pipe. Made from CNC’ed MDF.   Measurements: Outer Dia. 3.375” Inner Dia. 2.00” Recessed Dia. 2.375” Recessed depth 0.25”   Any quality construction adhesive is recommended for bonding.