16x36x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack ac-/-dehumidification-/-humidification Can be used from seed

Can be used from seed through post-harvest

This 2-part blended liquid formula should be used in equal amounts during the flowering phase to stimulate the rapid onset of bud production

making it suitable for indoor grows

Citrus Red Scale

Trend Chart records CO2 levels per minute

16x36x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack ac-/-dehumidification-/-humidification Can be used from seedNordic 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