16x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack chillers-heaters-and-purification will fit size(s): 4"

will fit size(s): 4"

Target: Aphids (over 60 species) including green peach aphid (Myzus persicae)

- Sturdy steel housing & German aluminum hammertone reflective

it can easily penetrate into all of these spaces to eradicate the source of VOCS (Volatile organic compounds)

All-in-one digital lighting timer

16x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack chillers-heaters-and-purification will fit size(s): 4"Nordic Pure Custom MERV 12 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