12_1/2x23_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients bloom and no residue left behind

and no residue left behind

000 per acre depending on infestation levels

Package Dimensions:                              275mm(L) x 87mm(W) x 94mm(H)

depending on the strength of nutrient mixture and purity of the water source used

the soil-dwelling larval stage

12_1/2x23_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients bloom and no residue left behindNordic 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