16_1/4x21_1/2x1 Exact MERV 12 AC Furnace Filters 6 Pack Growing Accessories Its slim low-profile design enables

Its slim low-profile design enables the unit to fit in tight spaces

It also bounces the light away from the surface of the block and back up towards the foliage

Nordic Pure 14x24x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Cooler temperatures can have a negative impact on reproduction and development

Carton Size (1pc/CTN) : 1260x115x1010mm

16_1/4x21_1/2x1 Exact MERV 12 AC Furnace Filters 6 Pack Growing Accessories Its slim low-profile design enablesNordic Pure MERV 12 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different