UltraTech 0656 Polyethylene Large Burp-Free Ultra-Drum Funnel, 22" OD x 11-1/2" Height, Black/Red Built-in vent - no more splashing or "burping" when pouring liquids Threaded brass insert screws into 2-inch drum bung All polyethylene construction won't rust or corrode - provides excellent chemical resistance Hinged, lockable lid prevents unauthorized access New, larger style provides bigger pouring area and easy access