8x8x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack double-ended • Processed to insure purity:

• Processed to insure purity: no disease

Sunshine Mix #4 with Mycorrhizae is an ideal choice for both indoor and outdoor gardening

For Regular Maintenance:

Suitable for organic growers

ORP and temperature

8x8x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack double-ended • Processed to insure purity:Nordic 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