16_3/8x21_3/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack PPE Soil Activator will also improve

Soil Activator will also improve the moisture retention of your soil to support bacterial populations and will help your plants manage transplant shock thanks to the colonization of bacteria that aid in the transport of nutrients and provide the ideal soil environment for root development and establishment

9% of odors commonly found in grow facilities

experience an improvement in plant establishment and accelerated plant growth

5 °C / ±1

16_3/8x21_3/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack PPE Soil Activator will also improveNordic 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