12.5x21x0.75 Exact Size Air Filter organic This allows the end user

This allows the end user to mix for white light with specific frequencies to aid in vegetative and flower growth

3’ coverage indoor grow areas

sharper serrations for easily cutting roots and

Faster growth with high output T5 full daylight spectrum bulb

Phydura breaks down naturally and stays where you apply it — protecting your desirable plants while eliminating the competition

12.5x21x0.75 Exact Size Air Filter organic This allows the end userNordic 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