16x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting Activated by humidity (35%) and

Activated by humidity (35%) and /or by lightly misting with water or you can add a moist sponge to a folded GRAND DADDY PAD

Hang the BlackBird at 20–24 inches above the canopy for flowering

The small batch production of this machine is best suited for personal runs or test batches of a new material source

Item # Description Initial Lumens CCT Product Dimension Net Lbs Box Dimension Gross lbs CS/QTY UG-T5/24/65 UltraGrow – 2X4 T5 Fluorescent Fixtures w/6

This ballast's constant wattage output means no lamp flickering and with the flip of a switch it can be converted from MH to HPS ballasts

16x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting Activated by humidity (35%) andNordic 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