20x22_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Monterey Lawn & Garden Products NEED MORE HELP: Not sure

NEED MORE HELP: Not sure which custom furnace air filters are right for you

For maximum odor control

• Blade free - trims using gentle friction to preserve natural contours of plant material

as a growth regulator/hormone disruptor ( it prevents normal hormone releases that trigger growth and maturation) and as a smotherant (insects that coated with neem oil will suffocate)

- True story

20x22_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Monterey Lawn & Garden Products NEED MORE HELP: Not sureNordic Pure Custom MERV 14 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