17x29x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Components Severe pest infestations and Extreme

Severe pest infestations and Extreme mold outbreaks

Compatible knockdown sprays can be used to reduce heavy infestations prior to and after applying BotaniGard 22WP

Dedicated to soil pH measurement

allowing for maximum effectiveness

Leafminers (Phyllocnistis sp)

17x29x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Components Severe pest infestations and ExtremeNordic 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