4.00 Square Quart Pot w/WaveLock® TagSlot. Our 4.00 Square Quart Pot is perfect for growers using automation equipment as our pots are designed for guaranteed denesting. The pot also features a unique, secure, anti-theft Wave-Lock cut-out for easy tag installation (top or bottom). Features four levels of drainage for all irrigation types and side venting to maximize flood floor watering.