
Single layer 40CM (perforated)

Single layer 50CM (perforated)

Single layer 60CM (perforated)

Double-layer 40CM (perforated)

Double-layer 50CM (perforated)

Double-layer 60CM (perforated)

Three layers, 40CM (with holes)

Three layers, 50CM (with holes)

Three layers, 60CM (with holes)

Double-layer with a height of 40CM (perforated)

Double-layer with a height increase of 50CM (perforated)

Double-layer with a height of 60CM (perforated)

Single layer 40CM (no need for drilling)

Single layer 50CM (no need for drilling

Single layer 60CM (no need for drilling

Double-layer 40CM (no drilling required)

Double-layer 50CM (no need for drilling

Double-layer 60CM (no need for drilling

Three layers, 40CM (no need for drilling)

Three layers, 50CM (no need for drilling

Three layers, 60CM (no need for drilling

Double-layer height increase of 40CM (no need for drilling

Double-layer with a height increase of 50CM (no need for drilling

Double-layer height increase of 60CM (no need for drilling