12_3/4x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions These individual drying trays are

These individual drying trays are for use with the Twister Nesting Drying Rack Systems

Reduces damage to plants and roots when moved

unbranded bags

We understand excessive power consumption

Capable of processing 8-12 lbs dry (40-60 lbs wet) material per hour

12_3/4x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions These individual drying trays areNordic 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