24 1/2x27x1 Trane ReplacementMERV 8 Plus Carbon AC Furnace Filters 6 Pack food-&-water-storage For hydroponics change the nutrient

For hydroponics change the nutrient reservoir weekly

Item # Description ANSI Initial Lumens CCT Bulb Shape CS/QTY PX-LU400/MH Plantmax – 400 Watt High Pressure Sodium Conversion Lamp M59 45

Install the ionizer directly into your air handling unit or duct system following the manufacturer's installation instructions and all applicable electrical codes

• ENGINEERED BY EXPERTS IN LAMP-BALLAST COMPATIBILITY

Just install 2 AA batteries (not included)

24 1/2x27x1 Trane ReplacementMERV 8 Plus Carbon AC Furnace Filters 6 Pack food-&-water-storage For hydroponics change the nutrientNordic Pure 24 1 2x27x1 Trane Replacement 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: