15_1/4x15_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients • Measures pH

• Measures pH

protective gear is not required and with zero REI drift is not an issue

Dyna-Gro measuring shot glass

Nordic Pure 14x30x1 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

They do not enter diapause when temperatures cool so they are efficient in areas where temperatures drop below 60°F

15_1/4x15_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients • Measures pHNordic 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