8x30x1 MERV 14 AC Furnace Filters 6 Pack Promote The stability indicator and HOLD

The stability indicator and HOLD function lets the user know when to take readings and freezes the reading on display for easy and accurate recording

HVAC air ducts

and 21" across the top in both directions

Centurion Pro TableTop Plastic Top Cover Lid

high quality coco coir and Vermicrop's own CocoNot

8x30x1 MERV 14 AC Furnace Filters 6 Pack Promote The stability indicator and HOLDNordic Pure MERV 14 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.