A-MAZE-N 12" Pellet Tube Smoker Prefilled With 100% Wood Pitmasters Choice BBQ Pellets 12" size makes it easy to use with almost any grill! Produces smoke for up to 11 hours on 15 oz. of A-MAZE-N-PELLETS Prefilled with 1 lb. of Pitmasters Choice Wood Pellets made from 100% Hardwood Contains No Fillers and No Additives Produces very little ash