13x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories 10'' x 40'' Standard Carbon

10'' x 40'' Standard Carbon Air Filter

Whiteflies

and food crops

For a complete list of what you can use PyGanic Specialty on and which pests it controls

Flea Beetle (Chaetocnema confines)

13x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories 10'' x 40'' Standard CarbonNordic 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