20_1/2x25_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack lighting Supports plant through the entire

Supports plant through the entire growing cycle

- Suitable for most crops – fruit/nut trees

sea kelp aids in the absorption of nutrients from the soil

Naturally derived

Rust Mites (Aceria anthocoptes)

20_1/2x25_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack lighting Supports plant through the entireNordic 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