The Scienceware® Separatory Funnel Rack allows the use of a variety of funnel sizes for a different experiments. With adjustable diameter funnel slots, this rack accepts funnel sizes from 100cc to 1000cc. In addition, the two support tiers can be independently adjusted to any height on long 29-inch rods. A durable, chemical resistant plastic base is weighted for stability and has a small footprint of 42.7cm x 19.8cm (16 x 7.8 inches).