https://www.jocanfan.com/product/fresh-air-fans/ The housing is one of the first areas buyers can evaluate when the equipment arrives. Its dimensions, surface condition, mounting structure, and connection openings should correspond with the agreed configuration. Inspection can include: Housing dimensions Mounting points Air connection positions Surface condition Fastener installation Panel and access areas These details may appear basic, but inconsistencies can create unnecessary work during installation if they are not identified before shipment. Login Login 0 repins 0 comments 0 likes