The wood pellets A2 are the wood pellets of 2nd class  different from those of the wood pellets A1 by their ash content which must not exceed 1.2%
They are also packed in bags of 15 kg but without quality logos. The prices of wood pellets A2 are therefore logically lower than those of ENplus A1.
The wood pellets are more economical  than A1 pellets but they require more cleaning operation of stoves and boilers