13x21.5x1 Exact Size Air Filter micro-nutrients and others are actually made

and others are actually made from recycled products

Lumina boosts plant performance and can enhance crop quality and yields

025 microns) and bacteria (gram-positive and gram-negative)

This combination of intensity and spectral quality will increase the speed of vegetative growth

13x21.5x1 Exact Size Air Filter micro-nutrients and others are actually madeNordic 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