We are proud to present our pre-rolled cone filling devices, complete industry solutions for quick and precise bulk cone filling.

Mitra Prodin is the inventor, exclusive manufacturer and patent owner of the technology behind the Knockbox and the Thumper pre-rolled cone filling machines. All of our bulk cones are compatible with the Knockbox 50, 100, 300 and Thumper 100.

For information about becoming a distributor, contact an official Knockbox or Thumper distributor near you: