Fifo Can Storage Diy . This diy fifo can rack can save valuable shelf space. It only uses up 2 square feet of floor space and holds up to 120 cans. 81 Can FIFO Bulk Can Dispenser / Organizer 9 Steps (with Pictures from www.instructables.com Fifo stands for first in, first out and makes food rotation a breeze. I wanted to make my own. It's a little tricky to get it since it's a short board but it works.