POLYTUBE

Filtering machines, namely, Air filters for mechanical purposes; filters for machines, namely, air filters for mechanical purposes; filters being parts of manufacturing machines; dust exhausting installations for cleaning purposes; filters being parts of machines for the treatment of powder or granular material

Air filters for industrial installations; industrial air filter machines; air filtering units; air purifying apparatus and machines; air filters for industrial purposes; replacement parts for industrial air purifiers, air filtering installations, silo vent filters, namely, cartridges, bags, sleeves, pockets for air filters and dust collectors in the nature of air filters for industrial installations