Pocket filter for Topvex SR devices, filter class F7 With plastic frame and 10 / 12 filter pockets. Can be used as an exhaust air filter. Two filters are required for the Topvex SR09 and SR11!
Pocket filter for Topvex SR devices, filter class M5 With plastic frame and 10 / 12 filter pockets. Can be used as an exhaust air filter. Two filters are required for the Topvex SR09 and SR11!