16_1/4x21_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack food-storage Humidome™ can be purchased separately

Humidome™ can be purchased separately

Reverse Osmosis “RO” or deionized water is not recommended

7%) than the other Debug products

The Bluelab Carry Case has a firm outer casing which offers impact resistance for your Meter

which is enough for approximately 5 weeks

16_1/4x21_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack food-storage Humidome™ can be purchased separatelyNordic 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