Biomass holzpellets fir Wood pellets 6 mm in 15 kg bags for heating system Wooden pellet mill Product specifications: Product name: Biomass wood pellets Materials: 100% wood fibers or mixed wood Types of wood: fir, pine, spruce, beech Diameter: from 6 mm to 8 mm Length: 10 mm to 50 mm Moisture content: <6% Ash content (db): <0.5% Calorific value: > 4700 kcal/kg Application: Residential and industrial furnaces (heating systems)