9x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack stocked Can be used up to

Can be used up to the day of harvest on vegetables

down to 1 inch

this digested material has played a significant role in plant nutrition for millions of years

Hygrozyme provides a cleaner root zone by accelerating the breakdown of dead root matter

6 kg) Net Weight

9x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack stocked Can be used up toNordic Pure Custom MERV 12 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