16x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Air Purification Use the white side for

Use the white side for walls and floors

Continued use will encourage strong growth

"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

dirt or debris

About Balanced Plant Growth: Balanced plant growth is produced by select compounds classified as vitamins

16x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Air Purification Use the white side forNordic 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