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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Each 340g pouch treats up to 68 plants
6mil thick
treating deficiencies
Developed by distinguished physicists and leading agricultural researchers
6x16x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Each 340g pouch treats upNordic 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
