13x23x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Grow1 5' Steel Stake Western Yellow Striped Armyworms)

Western Yellow Striped Armyworms)

Total UMOL Output : 253

Individually adjustable 3-channel (red

Wilts & Blight

13x23x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Grow1 5' Steel Stake Western Yellow Striped Armyworms)Nordic 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