Ideal for restaurants and institutional kitchens. Keeps food fresher in refrigerators, coolers and freezers. Spill-proof, flo-thru package design with cloth filter provides maximum odor protection. After two months, pour contents down drains and grease traps with warm running water to freshen them. 100% natural, environmentally safe. No harmful chemicals, non-toxic. OSHA compliant. 16-oz. box. 12 boxes per case.. . . .