Ecological, Permeable, Non-slip, Anti-clogging Sand Permeable Brick 500*250*80 ㎡ Features of Sand Permeable Bricks for Driveway: (1) with the appearance of stone and texture, but also has a water filtration function. (2) the use of “broken water interface tension” new principle of permeability, the surface is very dense, not easily blocked by dust (3) connected to the […]