20x25x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 12 Pack extension This breathable fabric allows moisture

This breathable fabric allows moisture vapor and heat to escape

Boric acid is the refined crystalline material derived from Borate/Borax

Easy to Install

Just like butchers save all the finest cuts of meats for the best restaurants

popularly used for hydroponics

20x25x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 12 Pack extension This breathable fabric allows moistureNordic Pure 20x25x1 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. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material