20x22x1 Pleated MERV 13 Plus Carbon AC Furnace Filters 24 Pack fans-ventilation-ducting Optimize Coverage - 2ft ×

Optimize Coverage - 2ft × 2ft 0

Best for (crops): Unrooted cuttings such as hemp

Faster Germination

The blocks can then be placed on top of a slab to provide for a larger growing volume

Available in 16 Gauge (10

20x22x1 Pleated MERV 13 Plus Carbon AC Furnace Filters 24 Pack fans-ventilation-ducting Optimize Coverage - 2ft ×Nordic Pure 20x22x1 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material while