20_1/2x25_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack cube Supplement your aphid parasite population

Supplement your aphid parasite population with further introductions as required

Seaweed is an optimal plant growth stimulant

but it shines as a foliar feed

widespread 90-degree oscillation action

delivering superior drainage and creating a healthier root environment

20_1/2x25_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack cube Supplement your aphid parasite populationNordic Pure Custom MERV 12 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