25x28x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack commercial-greenhouse-fixtures – Extended life of trays

– Extended life of trays and custom tables

This system reduces humidity levels to prevent mold growth while intaking fresh air to push out odors and other harmful pollutants like Radon from your home

This broad spectrum allows the plant to absorb more usable light

The Mega covers a 5 ft x 5 ft flower footprint and a 7 ft x 7 ft veg footprint

integrated production and world-class R&D

25x28x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack commercial-greenhouse-fixtures – Extended life of traysNordic Pure Custom MERV 13 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