17x25x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Promote - Can Replace Existing Flushing

- Can Replace Existing Flushing Agent to Enhance Terpenes

Apply every 7-14 days during the growing season 1-2 hours after watering

Black Vine Weevil (Otiorhynchus sulcatus)

Both adults and larvae feed on whitefly eggs with each adult consuming up to 160 daily

green leaves

17x25x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Promote - Can Replace Existing FlushingNordic 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