FILTER ZEHNDER LTR-2 ePM1 55% (F7)

Intake air filter for Enervent LTR-2 ventilation unit. The efficiency of fine filters is determined by the percentage of particles sized 1-10 micrometers that are retained by 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.