Buy 18 x 20 x 1 Merv 11 Furnace Filter 12 Pack18 x 20 x 1 Merv 11 Furnace Filter 12 Pack Product Description:
- Nominal Filter Size 18 x 20 x 1
- Actual Filter Size 17.5" x 19.5" x .75"
- Merv 11 Performance
- Made in the USA
- 100% Performance and Price Guarantee
Product Description
Clear The Air Merv 11 filter Removes 91% of airborne particles. Our Merv 11 filter eliminates allergens such as dust mites, pollen, mold spores, pet dander, dust, and smog. Our advanced pleat technology provides less air flow resistance, with higher efficiency and lower pressure drop allowing air-handling systems to stay cleaner and operate more efficiently. This filter is Ideal for allergy sufferers. Clear the air Merv 11 filters are available in 45 sizes so you are sure to find what you are looking for. Clear The Air Merv 11 Pleated Filters are available in 1", 2" and 4" depth. The electrostatically charged 100% synthetic graduated density media is continuously bonded to a 30 gauge galvanized, corrosion resistant, expanded metal support grid with an effective open area of 96%. The media is resistant to a wide range of chemicals, does not absorb moisture and will not support microbial growth. The controlled pleat spacing maximizes surface area and dust holding capacity and is bonded to the enclosure frame to prevent dust bypass. The enclosure frame is constructed of high wet strength moisture resistant beverage board. The diagonal support members of the frame are bonded to the entering and exiting apexes of each pleat to prevent pleat collapse and filter bowing.
Customer Reviews
Most helpful customer reviews
0 of 0 people found the following review helpful.
MERV 11 air filters
By T. Cooper
thought with the higher MERV rating it would remove more dust- it doesnt seem to have done that- in the future I will use brand name filters- these are less than desirable.
0 of 0 people found the following review helpful.
BEST BUY
By Bonita
This level of filtration is not available commercially, from "big box" stores (many of which use a proprietary rating system, not the MERV - minimal efficiency reporting value - rating system. 2 very helpful websites explaining this more fully are:[...][...]
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