Universal plastic drip pan for air conditioning a-coils. Outside measurement is 19.75" wide x 20.5" deep. Inside opening measures 13" x 17.5". 4 drain connections (2 on right and 2 on left). Right side is shipped plugged, but plugs can easily be moved to left side. Drain tubes not included. Call if tubes needed. Measure your a-coil before ordering as we stock several sizes.