16_1/2x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack botanicare (1) Case of LC1-1" Oasis

(1) Case of LC1-1" Oasis cubes (enough for approximately 3 months)

It has become well known that growing plants in soil for harvest depletes soil nutrient reserves

Provides optimal flowering plant management

If you are looking for insect control in your greenhouse

16_1/2x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack botanicare (1) Case of LC1-1" OasisNordic Pure Custom MERV 13 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