17_1/4x19_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes favored by thousands of horticulturists

favored by thousands of horticulturists from weekend gardeners to professional flower trimmers—with the added enhancement of titanium-coated blades

84 x Micro Drip | 2-Way Parallel Split Micro Tube Dripper Assembly 30" x (Single Unit)

When blended with the Azadiractin

Some users simply need to monitor the temperature

17_1/4x19_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes favored by thousands of horticulturistsNordic 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