13x23x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Chemicals Life Cycle: Mated adult females

Life Cycle: Mated adult females may overwinter in plant crevices or other protected areas if prey is available in the fall

*Correlated color temperatures will fluctuate pending which bulb is purchased

Until the lamp has achieved a least 10 hours of operation

Extendable cloth pH junction

19 x Flora Clip 2

13x23x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Chemicals Life Cycle: Mated adult femalesNordic 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