30"W x 55.50"L x 7"D x 28"B 33 gal.
Use a hole saw to create holes for ABS fitting.
For 3" fitting use a 3 1/8" hole saw.
For 2" fitting use a 2 1/8" hole saw.
For 1 1/2" fitting use a 1 5/8" hole saw.
Use ABS cement to install fittings.
Repairs can be made with ABS cement.