The size of an air filter is determined by measuring it with a measuring tape. The actual size of the filter is usually ¼ to ½ inch smaller than its nominal size. To convert the actual size to the nominal size, measure the filter and round each dimension to the nearest inch. Whole house AC filters with a size of approximately 3 to 6 inches wide can have a lifespan of 6 to 12 months, depending on environmental conditions.
Filter King offers hundreds of different filter sizes that can be used in various home systems, including your oven. But if your system needs custom-sized air filters, keep in mind that we offer custom sizes ranging from 8 x 24 x 1 to 25 x 30 x 1.Rensa Filtration is a family of air filtration companies that manufactures and markets best-in-class solutions that keep people safe and industries thrive. If you're looking for a retailer near you that sells custom-sized air filters, you might struggle to get lucky.Most white pleated air filters are inherently the same within each efficiency level, and vary slightly, if at all, between brands. These numbers relate to the standard size of your home's return ventilation grilles, responsible for controlling the movement of air to and from your HVAC unit.
For example, Home Depot mainly sells Honeywell brand air filters, while ACE Hardware mainly carries Filtrete.Using a properly sized air filter for your HVAC unit is essential to keep your system running smoothly and reap all the benefits your air filter has to offer. The primary function of air filters is to protect your HVAC equipment from damage that can be caused by dust and dirt accumulating on the coils. In fact, if you have to force an air filter in or out, it's the wrong size, so standard sizes are usually half an inch smaller than advertised. This rounded measurement is called the nominal size and is used to match the correct filter to the air cleaner slot of the accessory.There are many options available for purchasing air cleaners with convenience, whether it's online, through your HVAC service company, or in-store.
The list of location HEPA filters for sale usually includes compatible models in the description or in the bullet points, so be sure to check for compatibility to ensure you buy the right HEPA filter for your air purifier.
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