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This item is made to order, non-returnable, and also ships within 2-4 organization days. Please inspect the yes, really dimensions noted below before ordering.

You are watching: 16.5 x 21.5 air filter


MERV 11 16.5x21.5x1 heater Filter OverviewThis is a non-standard size filter. The actual size of the filter space 16.5" x 21.5" x 0.75". Please measure her existing filter before ordering to make sure it will be compatible.Long-lasting worth packageThe MERV 11 21-1/2 x 16-1/2 x1 heating system & air conditioner filter will remove the adhering to contaminants:Lint & DustDust Mite DebrisPollenMold SporesPet DanderAuto EmissionsSmokeAir Filter FAQs

MERV represents Minimum effectiveness Reporting Values and also is one industry-created traditional that evaluates the performance of air filters. The MERV rating that any specific air filter ranges on a scale of 1 to 16, with a filter rating 1 being the the very least efficient and a filter rating 16 being the most efficient.

However, the is not always as basic as buying a filter with the highest MERV rating. Highly-rated MERV filters have very small pores, which creates an ext resistance against air circulation that might put too lot pressure ~ above the pan in your unit.

We introduce a MERV rating between 8 and 11 for most residential furnace and also AC units to adequately eliminate airborne contaminants. Filters with a greater MERV rating should be replaced at the very least every three months come avoid limited air flow and an adverse effects on her furnace’s performance.


How often should I change my filter?

Actual replacement times will rely on a variety of family conditions, including running time on the furnace or air air conditioning unit, the type of flooring in the house, and the presence of youngsters and/or pets. Generally, wait filters should be replaced about every 2-3 months because that optimal performance.


How carry out I uncover the size of mine air filter?

Air filter use two sets the dimensions: actual and nominal. The yes, really dimensions room the specific height, length, and width measurements. Most filters are marketed under nominal dimensions, which room rounded turn off to the nearest 1" measurement. For example, if her air filter actions 10 ½“ x 20 ¾” x 1¼”, the nominal size will commonly be 11” x 21“ x 1”. To discover your filter size, us recommend measuring the actual size of your existing filter and choosing the closest enhance in in the name dimensions.

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Filters have to fit snugly without having actually to be compelled into place. Forcing in a filter that is too huge can cause tearing or buckling and also results in a loss of efficiency. If you notice air leakage about the political parties after installation, you may use gasket tape around the edges of the filter to create a tighter fit.


What is the advantage of making use of a carbon waiting filter?

The smell Eliminator filter provides a carbon filter media to properly remove family members odors without reducing air flow. Carbon media granules create much more outer surface area because that odors, fumes, and other contaminants to adhere to, and also are resistant come moisture and microbial growth. The filter fits right into existing filter housings to provide efficient, guaranteed odor manage at a price that competes through standard pleated air filters!


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