FILTER PACKET ZEHNDER LTR-3 ePM1 60% (F7/F7)

Enervent LTR-3 air handling unit replacement filters for supply and exhaust air. Filter bags are attached to a sturdy metal frame. 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 class: F7 >= 80 % This product description is an automated translation of the original Finnish description.