22x29x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Emitters Bloom NPK: 4 - 1

Bloom NPK: 4 - 1 - 6 TOTAL

Applications include hydroponics

63 x PotPro™ | 8" Tall (2 Gallon)

but for best results

from the most harsh chemicals to extreme heating agents

22x29x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Emitters Bloom NPK: 4 - 1Nordic 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