20_1/2x25_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack lighting and micronutrients more efficiently

and micronutrients more efficiently

- Suitable for most crops – fruit/nut trees

Twister T6 Nylon Brush

Supports plant through the entire growing cycle

before their population is established

20_1/2x25_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack lighting and micronutrients more efficientlyNordic 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