FILTER PACKET ZEHNDER LTR-7 ePM1 60%/ePM10 50% F7/M5

Enervent LTR-7 air exchange unit replacement filters for supply and exhaust air. Filter bags are attached to a sturdy metal frame. Service life can be extended by cleaning the bag filters with vacuuming. NOTE! F7 filters cannot withstand vacuuming. The efficiency of fine filters is determined by the percentage of particles sized 1-10 micrometers that remain trapped in the filter during testing (1 µm is one-thousandth of a millimeter). Filter efficiency classes: F5 >= 40 % F7 >= 80 % This product description is an automated translation of the original Finnish description.