Product details:

Fermonster Plastic 7 Gallon Carboy with SpigotThe 7 Gallon Fermonster is brilliantly clear with built-in 5-gallon, 6-gallon and 7-gallon markers on the side for your convenience. The 4" wide mouth opening and rib-less sides make mixing and cleaning a breeze. Requires a #10 stopper or medium bung. Features: Comes with an air-tight ONE PIECE lidwith a hole that will take a #10 stopper or Medium Bung. There are no ribs, only smooth sides, sono yeast or sediment will adhere to walls during fermentation. Completely taste and odour-free. It isalso stain resistant. Impermeable to oxygen. Comes with 5-Gallon, 6-Gallon and7-Gallon easy-to-read markings on the side. Also they are big enough so you can usethem as your Primary Fermenter. Bung and Air Lock Included