13_1/4x13_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Aeromixer 3’ the high efficiency SQ300W

3’ the high efficiency SQ300W Pro grow light is a perfect solution for home-grow

Replaces a 1000 watt HPS light with 40% less power

Regalia Biofungicide uses similar processes for preventive disease control and suppression

It is PET coated and made of 4

13_1/4x13_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Aeromixer 3’ the high efficiency SQ300WNordic Pure Custom MERV 10 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