16_1/2x21x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Extension The DLM-4 Zone Controller can

The DLM-4 Zone Controller can be connected to up to 4 separate zones of DLI lighting fixtures

Left coast Wholesale offers additional accessories from Harvest More including a 220-micron screen that is an interchangeable option for users who want to collect larger plant matter particles

Healthy soil is the key to healthy plants

Hydrofarm's Smart Float comes with a 55-cell floating insert

Quantity of LEDs - 1016pcs

16_1/2x21x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Extension The DLM-4 Zone Controller canNordic Pure Custom MERV 14 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