Abstract: An improved grain drying and storage bin of the type having side walls and a perforated floor defining a plenum chamber and a grain drying and storage chamber and an improved fan mounting therefor. The fan mounting arrangement includes an opening in the sidewall, a fan mounted with a portion above the level of the perforated floor, an angled housing extending from the top of the opening to the perforated floor and a plurality of vanes disposed on the interior surface of the housing to direct the air upwardly and outwardly into the grain drying and storage chamber.

Abstract: A floor support for supporting a perforated floor in a grain drying and storage bin of the type having a plenum chamber and a grain drying and storage chamber. The floor support includes a plurality of floor support members each comprising at least three vertically disposed tubular members joined together near their tops and bottoms by a pair of horizontally disposed brace members.