16x18x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack biological fertilizer Full Spectrum 6400K Grow Lights

Full Spectrum 6400K Grow Lights (T5HO)

Never cut the asparagus spears within 2 inches of the crown to avoid damage to the developed buds

both vertically or horizontally

- Light spectrum towards the red

and increasing potency

16x18x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack biological fertilizer Full Spectrum 6400K Grow LightsNordic Pure Custom MERV 13 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