11_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions Post-harvest lab results show the

Post-harvest lab results show the improved yield does NOT adversely affect potency and there is no indication of residue

Sunmaster’s 400W FULL NOVA is chemically engineered to deliver midday light

These paper-wrapped Mini Blocks are designed for seedlings and cuttings

Pseudomonas sp

Most growers have never seen truly healthy plants

11_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions Post-harvest lab results show theNordic Pure Custom MERV 10 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