14x16x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack dis A high performance drainage layer

A high performance drainage layer is especially important if your plants are grown in plastic containers or with saucers underneath which can trap excessive moisture and create a soggy root zone

Bulletproof Si 5% has additional natural components including amino acids and Ascophyllum nodosum

The Airis Mystica II has a small form factor that is easily hidden in the palm of your hand

Use in combination with other Chemboys nutrient solutions to provide an increase in nutrient uptake

14x16x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack dis A high performance drainage layerNordic Pure Custom MERV 8 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