<http://schema.org/description>
"A gravimetric color feeder for up to 35 lb/hr is said to offer the accuracy of loss-in-weight feeding for the price of a volumetric model."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ptonline.com/products/low-cost-gravimetric-feeder-from-a-new-source>