Mortex 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. We have several sizes of drip pans available, so be sure to doublecheck your measurements before ordering.