Posted 11/8/2012 22:48 (#2686858 - in reply to #2686790) Subject: Re: I asked about used grain bin $
Winkler, Manitoba Canada
There are different ways to be able to aerate grain with a hopper cone. Some simply have a large round perforated tube. This cone has a single inverted V duct spanning about 2/3 of the diameter of the bin. Duct is open on the bottom allowing air to enter the grain pile.