PST290 Synthetic Filter Media 1m x 20m x 20mmPST290 extraction filters are manufactured from a dual layer blue and white synthetic media and is supplied as a 1m x 20m roll. Other sized rolls and pre cut panels are available to order. Often used a secondary level of filtration in a spray booth behind Paintstop media to improve efficiency. PST290 can also be used as an air input filtration media for industrial commercial appications. Colour Blue White Size 1m x 20m x 18 20mm EN779: 2012 G4