11x32_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack PPE real-time insights into your soil’s

real-time insights into your soil’s conductivity and temperature

and suppresses powdery mildew

Optimize Coverage - 3ft × 3ft

Botanicare's redesigned white premium ID trays offer professional hydroponic gardens with superior quality and performance

therefore regulating CO2 uptake

11x32_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack PPE real-time insights into your soil’sNordic 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