10G Unibräu ø16" x 20" high grain basket submerged ø16" x 30" high grain basket up 24.4L/6.4gal Grain basket volume 2.5gal to 6gal batch size max 16lb grain 20G Unibräu ø18.5" x 23.5" high grain basket submerged ø18.5" x 38-3/4" grain basket up 69.1L/18.2gal Grain basket volume 5gal to 12gal batch size max 40lb grain 30G Unibräu ø20-3/8" x 27-1/4" grain basket submerged ø20-3/8" x 45-3/4" grain basket up 93.8L/24.8gal Grain basket volume 5gal to 18gal batch size max 60lb grain