16x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Air Purification "Chemboys Nutrient Line Beta (0-4-3)

"Chemboys Nutrient Line Beta (0-4-3) Formula is part B of a 2 part A/B nutritional program that helps to start your grow off right by keeping your plants strong and healthy through the grow season

deep green foliage

dirt or debris

High effciency top-bin Samsung LM301H 3000K & 5000K。

To manage the quantity

16x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Air Purification "Chemboys Nutrient Line Beta (0-4-3)Nordic 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