Filter for exterior wall louvers [AT254] (replacement) "GC175F" 18 sheets Size: Φ210mm [Made-to-order]

This is a filter for grilles (ventilation openings) installed on exterior walls. Impregnated with All Titanium (AT254), which has excellent inhibitory power against 254 types of microorganisms (70 types of bacteria, 159 types of fungi, and 25 types of algae), it reduces the entry of not only dust and particulate matter from the outside air but also atmospheric pollutants such as PM2.5 and pollen. It purifies the indoor air. It is compatible with the dedicated mounting frame "GC175." [Made to order]