The honeycomb vent panel is widely used for EMI shielding rooms ,shielding box ,shielding racks 

We have both aluminum and steel honeycomb vent panel .  The size and shapes could make as customer drawing.  The thickness is from 5mm to 50mm, the cell size is from 1.5mm to 10mm.

Whole aluminum alloy structure, low weight and high-strength

Applied with EMI shielding gasket, easy installation

Shielding effectiveness of aluminum vent panel

Whole steel or stainless steel honey comb 

Applied with EMI shielding gasket, easy installation

Shielding effectiveness of steel vent panels