Often used for engine room ventilation on larger boats or areas where a lot of ventilation is required, such as generators, etc. All sizes have a 12mm wide external flange with a 25mm inside flange depth.
304 Grade
3 Louvre
Hole cutout 188(W) x 92(H)mm
Requires 4 x No.8-10 pan head screws
Packaged Volume : 3.04l Packaged Weight : 0.28kg Packaged Length : 29.7cm Packaged Width : 21.3cm Packaged Height : 4.8cm