Frame provided at the bottom of holes for the discharge of the sand and two rows of C fins placed vertically in opposition. Construction in galvanized sheet metal, stainless steel, aluminium or other material on request.
Air intake and the first stage of coarse filtration using the principle of inertial separation. Maximum operating temperature 200 ° C, operating pressure up to 1000 Pa
By means of self-tapping screws on the frame or on request with brackets to wall.