Fiber glass pumice stone, Grill Brick, Pool Clean stone, grill bricks, barbecue brick ... )/ctn-46x32x52cm46x32x52cm21312013/15Fiber glass pumice stone, Grill Brick, Clean stone , grill bricks, Grey pool cleaning glass pumice,barbecue brick grillGrill ... clean stoneGlass pumice for pool cleaning190kg-300kg/m3.Glass foam pumice for ...