17_1/4x23_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Electrical Components Apply 2-6 tablespoons per gallon

Apply 2-6 tablespoons per gallon every 7-10 days

Flame is very effective in both Soil and Hydroponic gardens

This sturdy white cover fits Hydrofarm's HGFTW44 white flood table and HGFT44 black flood table

- 5'8" Tall (Suitable for any 6' Fence)

17_1/4x23_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Electrical Components Apply 2-6 tablespoons per gallonNordic 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