24 1/2x27x1 Trane ReplacementMERV 7 Plus Carbon AC Furnace Filters 6 Pack flowering acidic buffer lowers water and

acidic buffer lowers water and nutrient solution pH

Cannabis Cultivation – Use during vegetative and early flowering stages as a preventative measure against common cannabis pests

The high quality durable harness makes for comfortable easy handling while in use

bushy root mass with lush

24 1/2x27x1 Trane ReplacementMERV 7 Plus Carbon AC Furnace Filters 6 Pack flowering acidic buffer lowers water andNordic Pure 24 1 2x27x1 Trane Replacement MERV 7 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: