Filter cartridges, namely filter elements for inserting into an existing arrangement, filter cartridges, in particular filter cartridges with a filter medium of paper or non-woven fabrics all for filtering air; Filter cartridges for filters, being parts for household or industrial installations; Filter cartridges for air purification installations and apparatus, including in the medical sector, in particular for dust removal and air purification for industrial and commercial installations and apparatus and for household apparatus, ready-made filter cartridges of non-woven fabrics therefor; Filter cartridges for cleaning inlet and outlet air, and being parts for air conditioning apparatus; Filter cartridges for air purifiers, in particular for ambient air purifiers; Filter cartridges for ventilating installations, in particular for mobile ventilating installations; Filter cartridges for ventilating installations for office equipment, in particular for cleaning inlet air for computers; Filter cartridges for stationary and mobile ventilating installations for rooms, in particular offices, conference rooms, entrance halls, exhibition halls and hotel rooms; Filter cartridges with a rigid frame or in the form of cassettes, namely filter cartridges of non-woven fabrics, being intended for air filtration in air conditioning installations and fresh air fans for motor vehicles; Pollen-repelling and dust-repelling textile filter fabrics for ventilation, being in the form of a sheet and in a rigid frame for building openings; Filter cartridges for gas, air and liquid filtration installations and apparatus, in particular ready-made filter cartridges of non-woven fabrics therefor; Non-woven fabrics for reinforcing semi-permeable diaphragms for microfiltration and ultrafiltration and reverse osmosis; Filter cartridges for milk, beverage and drinking water filtration installations and apparatus, in particular ready-made filter cartridges of non-woven fabrics therefor.

Non-woven textile fabrics being semi-finished materials, for filter cartridges for gas, air and liquid filtration installations and apparatus and for filter cartridges for milk, beverage and drinking water filtration installations and apparatus.