15x19x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack ac-dehumidification-humidification This system comes with the

This system comes with the initial water analysis package

Black on one side & White on the other

hand-trimmed quality is easily achieved

Safe to use:

do not use with timer TM01240

15x19x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack ac-dehumidification-humidification This system comes with theNordic Pure Custom MERV 10 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