10x33x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack cleanroom and lid for easy access

and lid for easy access to your nutrient solution

The spring-loaded plastic clip won't mar surfaces and the adjustable head directs air flow where you need it

NATURALLY PRODUCES PLANT HORMONES SUCH AS IAA AND CYTOKININ

No electricity

Angled anchors to secure tables to the floor

10x33x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack cleanroom and lid for easy accessNordic 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