20x23x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack additives For use with HI993310 only

For use with HI993310 only

and upgraded aluminum cooling heat sinks

Max Bulb Temperature (

The ONA Storm is specifically designed to be used with ONA gel

even ripening

20x23x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack additives For use with HI993310 onlyNordic Pure Custom MERV 8 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition