21x23_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack nutrients and supplements IPM Ready – Integrates seamlessly

IPM Ready – Integrates seamlessly into existing pest and disease management programs

84 x FloraCap® 2

By using a bottom flood on the first wash to ensure all material has seen solvent

These new air cleanliness guidelines include two major changes:

Thrive Alive can be used as a soil drench when taking cuttings

21x23_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack nutrients and supplements IPM Ready – Integrates seamlesslyNordic 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