<https://northernpolytunnels.co.uk/product/polytex-pro/#product>
<http://schema.org/description>
"Reduce the green residue covering your tunnel with Polytex Pro. It gently yet effectively removes green slime, soot, traffic film, grease, pesticides and chemical residues etc"
<https://northernpolytunnels.co.uk/product/polytex-pro/>