10x33x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack cleanroom The high efficiency S4 spectrum

The high efficiency S4 spectrum provides ideal conditions for both human and plant health to deliver better working conditions and consistent crop quality

With DeAblo

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

10x33x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack cleanroom The high efficiency S4 spectrumNordic 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