Una Dyne material surge / storage bin. Approximate 1,000 lb. capacity. Measures 48″ x 48″ square with 21″ straight side and 38″ slope side. Home-made stand with 60″ discharge height. Has four (4) 2.75″ OD vacuum take off ports and a non-functional 6″ iris valve. Lid has two (2) 5″ OD holes and one (1) 13″ x 13″ square opening.