MORE CAPACITY FOR STORAGE OR REFUSE COLLECTION. SQUARE SHAPE OFFERS UP TO 14 MORE CAPACITY THAN ROUND CONTAINERS. TIGHT-FITTING LIDS HELP PROTECT DRY GOODS AND OTHER CONTENTS. NESTING HANDLES ALLOW SECURE FIT FOR SIDE-BY-SIDE USE. ROUNDED CORNERS AND SMOOTH CONTOURS ARE EASY TO CLEAN. GRAY AND WHITE ARE USDA MEAT & POULTRY EQUIPMENT GROUP LISTED AND ASSIST IN COMPLYING WITH HACCP GUIDELINES. CERTIFIED TO NSF STD. #2 (GRAY AND WHITE) AND STD. #21. 3517 COMBO HAS PASSED DOT #178.603 #178.606 AND #178.608 CRITERIA FOR SHIPPING OF SOLID REGULATED MEDICAL WASTE. SNAP-LOCK LID INTRODUCES THE ABILITY TO COLLECT TRANSPORT AND SHIP REGULATED WASTE IN THE SAME CONTAINER.