18x28x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack LED Lighting Cocogro has excellent drainage properties

Cocogro has excellent drainage properties and can be used over a longer period of time than coir fiber with shorter fibers

Great for both potting soil and hydroponic gardening

or smell of brewing compost tea

304 stainless steel

18x28x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack LED Lighting Cocogro has excellent drainage propertiesNordic 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