28x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack BVV build the strength they require

build the strength they require

Based on our patented and patent pending DE Boss Optic design

Flowers is very effective in both Soil and Hydroponic gardens

Utilizes vented roof design for optimal heat management and longer lamp life

the bacterial spores occupy space on the plant surface and compete with the pathogens

28x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack BVV build the strength they requireNordic Pure Custom 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: Furnace and air condition