Filter type: filter cartridge Material: mixed fleece synthetic / cellulose, flame retardant, NANO coated, BGIA M Dimensions: 1730mm x Ø325mm, assembled, filter area 56m² Features: DIN open/closed closure with Ø13mm hole, metal support grid inside, Alternative for: TEKA #100050560 Suitable for: e.g. TEKA Airtech P30 before June 2010