This type of filter is slightly more expensive than the disposable pleated but less expensive than some of the higher quality filters below. Disposable electrostatic: Made of self-charging electrostatic paper or cotton fibers, this type of filter can trap small harmful particles.This type of filter should be changed more often. Disposable pleated: This type of filter is made of cotton or polyester, is able to catch small particles, and is the most affordable.It may not be sufficient if you have someone in your home with asthma or allergies, since it can fail to trap smaller contaminants. The most common type of filter is fiberglass - this type of filter is often about an inch thick and catches large contaminants. There are several different types, each of which has different advantages. In addition to choosing the right size, you'll also have to decide what type of filter you want. You can check the filter you currently have to see what size it is. Common filter sizes are 16x20, 16x25 or 20x25 inches. Not all filters are created equally, and your heating and cooling system may require a certain type.įirst, be sure to buy the right size filter for your HVAC system. When you replace your air filter, it's important that you find the right filter for your home.
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