“Just Landed” Chinook is an effective cleaner for standard indoor unit washable air filters. Non aggressive towards the material. Ready to use, it quickly and effectively cleans. Easily removing smog, dust, mould and microbial contaminants, leaving a fresh fragrance of cleanliness. Chinook is safe for the operator and for the filters, leaving no harmful residues. Chinook is ready for use. Remove the filter from the system and spray a generous dose of product on both sides. In the case of very dirty filters, remove most of the deposits with a light tap.