8_7/8x33_5/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack nutrients-and-supplements ● Seedlings/Cuttings: Pre-soak your preferred

● Seedlings/Cuttings: Pre-soak your preferred choice of growing medium in a nutrient solution using 0

Zenport ADZH100 Accuzen hanging mechanical spring dial scale accurately measures weight of grain

Thinnest Grodan product available

Controls a humidifier

8_7/8x33_5/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack nutrients-and-supplements ● Seedlings/Cuttings: Pre-soak your preferredNordic Pure Custom MERV 7 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