Model VI:

Standard bulk powder sampler.  Made of 316 SS, 0.875” diameter, 3ft long with three 0.5625” W x 8.0” L  non-partitioned (communicating) sample ports.  Each port holds about 40cc sample.  The end piece is removable for easy cleaning.  Also, the top end of the inner tube has been modified to be  open in order to facilitate emptying of the powder sample directly into a bottle.