13x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Fertilizer which turns brown or black

which turns brown or black as the larvae pupate

Current lead time projection is 45-60 days from payment received

durable and withstands even extreme temperatures

Bayonet Neill-Concelman (BNC) connector

13x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Fertilizer which turns brown or blackNordic Pure Custom MERV 13 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