18x28x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Hydro Components This and all Growth Science

This and all Growth Science products are safe to use in automated delivery systems such as Dosatron® and other fertilizer injectors

Replacement end cap for Triminator Dry bud trimmer

Transplant once roots are visible

FloraFlexTM Logo printed on the tubing

18x28x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Hydro Components This and all Growth ScienceNordic Pure Custom MERV 8 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