The Volumetric Filler is typically the least expensive to acquire and the simplest, from a technological standpoint.
If your product is dry and free flowing, does not clump, and has a regular size, you could be in the market for a Volumetric Filler. Sample Products Dispensed with these fillers include (but are not limited to): Rice, Beans, Nuts, Seeds, Litter, Pet Food, Fertilizers, Cereals, Teas, and Detergents.