Zehnder Filter set Coarse 60% (G4) + ePM10 50% (M5) for ComfoSpot 50 204x60mm Rectangular Easy to install through the

Easy to install through the wall (no central ducting)

So if you have a R90B then this fan is its direct replacement and it will fit in the same space as your existing product and ducting

7v Li-ion 4000mAh

Depth 180 mm

Zehnder Filter set Coarse 60% (G4) + ePM10 50% (M5) for ComfoSpot 50 204x60mm Rectangular Easy to install through theThis filter set consist of: 1x Anti Pollen Filter: This is also know as ePM10 50% (ISO 16890) or M5 (EN 779: 2012). At least 50% of particles between 0. 3 and 2. 5 m are removed from the air. 1x System Protection Filter. This is also know as Coarse G4 Filters, 60% (ISO 16890): At least 60% of particles larger than 10 microns are removed from the air.