Description
Phytotophthora (Blights
lady beetles and predatory mites
Promotes photosynthesis
The two-part system allows for versatility and efficient use of space
leaving your plants clean and strong
13x23x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack nutrients and supplements Phytotophthora (BlightsNordic Pure Custom MERV 14 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