15x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack special-order Ginormous is designed to make

Ginormous is designed to make even the most demanding gardeners ecstatic at harvest time

Calcium (Ca) is a critical structural component of cell walls

This combination of two beneficial insects in one container is an essential for organic pest management

Significant Yield Increase – More usable growing height allows you to cultivate larger plants

The chelated micronutrients guarantee optimum availability over a wide pH range

15x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack special-order Ginormous is designed to makeNordic Pure Custom MERV 7 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