22x26x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hand Tools a silicone rubber seal is

a silicone rubber seal is between the door and chamber for best sealability

Suitable only for high frequency

"Bloom A has been a game-changer for our commercial operation

Silicon is the second most abundant element in plants and with out it they can not survive

You should put it on the walls around your plants to reflect wasted light back to the plants

22x26x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hand Tools a silicone rubber seal isNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.