If you have pets, children, or people with allergies in your home or business, it's important to maintain superior indoor air quality and reduce your energy costs. To do this, you need to replace your air filters more frequently. But what size filter should you use?When it comes to air filters, the “real” size is the one that should be used when creating a filter with this tool, not a nominal filter size. This means that if you're looking for a 16 x 20 x 1 air filter, you should measure the slot with a measuring tape to get the exact size. K&N washable household air filters are designed to fit directly into the heating and air conditioning filter slot just as easily as a typical disposable air filter.
They come in multiple dimensions and sizes for easy installation. Installing a washable, reusable air filter can help you save money compared to disposable filters that need to be repurchased frequently (approximately every 90 days in an average suburban home and every 60 days or sooner if you have pets).
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