21_1/4x21_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Grow Light Ballasts 144 x Micro Drip |

144 x Micro Drip | 1-Way Micro Tube Dripper Assembly 36" x (Single Unit)

Digital Interface – On-board monitoring enables precise settings and simple diagnostics

Extra tubing can be useful for customizing your indoor hydroponic water filtration system

This double hook and loop sealed

yet delicately removes the flowers with rollers that grab the stem and pull it through various hole sizes

21_1/4x21_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Grow Light Ballasts 144 x Micro Drip |Nordic 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