28x34x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack special-order The Commercial Truncheon® Nutrient Meter

The Commercial Truncheon® Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or CF requirement during their growing cycle

Is this product available in other sizes

Back to the Roots Water Garden 2 is a self-cleaning fish tank that grows organic sprouts and herbs

Nature’s Brix is a premium blend of carbohydrate

28x34x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack special-order The Commercial Truncheon® Nutrient MeterNordic Pure Custom MERV 14 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