16x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack -power-&-lamp-cords Charging Time – 150 min

Charging Time – 150 min

See the label information for full list of uses and instructions

The scientifically designed PHOTOBIO•T Duo LED Top Light can be applied indoors or in greenhouse environments as a direct 1000W HID alternative or retrofit

The ingredients in SNS 203 are processed in-house by Sierra Natural Science to ensure consistency and full potency in each batch

Prevents freezer burn

16x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack -power-&-lamp-cords Charging Time – 150 minNordic 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