12_3/4x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack house and garden soil The larvae feed on the

The larvae feed on the egg and emerge as adults

Formulated to hydrate and provide the correct amounts of nutrients to inhibit premature bud opening or bent neck

Can be used as often as every watering

–Compact/Collapsible

12_3/4x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack house and garden soil The larvae feed on theNordic Pure Custom MERV 10 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