HOWCO offers a variety of drum top funnels that can be used with closed or open head drums in addition to threaded funnels which thread directly into the bung hole of closed containers.

DTF-Universal Ultra-Funnel fits 55 and 30 gal drums, large 25″ diameter elimimating overspill TF-Threaded Funnel w/built in vent, no splashing or “burping”, brass insert screws into 2″ drum bung, hinged lockable lid, bigger and easy access.