<http://schema.org/description>
"As quality specifications become tighter and the need to use more recycled materials becomes more prominent, more and more extrusion processors are examining their options in melt-filtration technology. Here's some help in evaluating your options."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ptonline.com/articles/get-smarter-about-melt-filtration>