DD 3x4 Carbon filter with Cushion Grid Matting

Custom DD 3x5 with Height Actuation, HEPA filter, Minihelic gauge and fiberglass grating

DD 3x4 with side shroud for grinding sparks

DD 3x4 Weld Kit with optiflow grating

DD 3x4 Weld Kit with optiflow grating

DD 3x4 custom side and back wall with outlet

DD 3x4 with capture arm, backdraft and HEPA