8_7/8x33_5/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Garden Hygiene and Safety Decrease risk of transplant shock

Decrease risk of transplant shock

20 species of beneficial fungal spores

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

This process unlocks additional nutrients and helps plants thrive by stimulating new root growth

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

8_7/8x33_5/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Garden Hygiene and Safety Decrease risk of transplant shockNordic 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