15x18x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Controller High product quality

High product quality

baby bottles and other small items

the PPFD sensor will automatically increase or decrease the output level of the supplemental lighting systems to continuously maintain the exact lighting level ( in terms of PPFD) selected

• Rapid Bloom Initiation and growth

15x18x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Controller High product qualityNordic 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