Zehnder MVHR.90 Filter Set, ISO Coarse (G3), 2 pcs 500-1000 Model Version HRV3 Q+ TP440A

Model Version HRV3 Q+ TP440A HRV10 Q+ TP441A

The product is fully compliant with the following safety standards: CE2004/105//EMC Directives and LVD 2006 195/EC

Duct size 150mm Long life filter included

4eHT is a modern update of Greenwood Centair/CML offering improved energy efficiency

Zehnder MVHR.90 Filter Set, ISO Coarse (G3), 2 pcs 500-1000 Model Version HRV3 Q+ TP440AZehnder Filter Sleeves For MVHR 90 & 91 Consisting of 2 X Filters each 38cms x 19cms Ideally, filters should be inspected monthly and given a light vacuum to remove dirt and debris. Filters will eventually become blocked with residual debris and should then be replaced. Generally, blocking will occur every 6 12 months depending on the location (near busy roads or inner city areas tend block more quickly than remote country settings).