8_7/8x33_5/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Garden Hygiene and Safety No fans No noise LED

No fans No noise LED Grow System design will make your growing life easy and quiet

Sungrower Grow Bags will last you season after season

20 species of beneficial fungal spores

Can-Fan® bring its innovation to market and sets a new standard for performance

Optimize Coverage - 4ft × 2ft 1

8_7/8x33_5/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Garden Hygiene and Safety No fans No noise LEDNordic Pure Custom MERV 7 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