Normal Air Filter Size

Most standard air filter sizes are kept in stock.

Normal air filter size.

You need to replace these air filters every 15 000 miles on your car. Follow these 3 easy steps to accurately measure your air filter size. Measure the length. The higher the mpr the more microparticles such as pollen pet dander smoke bacteria and viruses your filter will capture from the air passing through it.

Whereas the nominal size is the rounded dimensions of the filter. Take a look at our dusteater and lifestyle series. It is usually a rounded size for example 16x20x1. For pricing and availability.

Slight variances in size may make a difference in certain situations. For instance you may find that the stock size at your local hardware store is just a bit too big to fit your housing slot. Actual size is the true size of your filter. The most common furnace filter sizes are 10 x 20 14 x 20 16 x 24 18 x 30 12 x 12 14 x 24 16 x 25 20 x 20 12 x 20 14 x 25 18 x 18 20 x 24 12 x 24 14 x 30 18 x 20 20 x 25 12 x 30 15 x 20 18 x 24 20 x 30 12 x 36 16 x 20 18 x 25 4 x 24 and 25 x 25 and these sizes.

These air filters require cleaning every 50 000 miles. All filters have an actual size and then a nominal size. This is completely normal and is the standard in air filter manufacturing. A nominal size can have several different actual sizes.

Filtrete 20 in x 25 in x 1 in 1085 mpr allergen defense extra 2 pack electrostatic pleated air filter. Standard paper air filters are not the most efficient in allowing air circulation. Filtrete 20 in x 20 in x 1 in basic pleated 3 pack pleated air filter. Which means they can ship out within 24 48 hours.

You can easily wash and clean these air filters and reuse them over time without the need replace them. This is not the true size of your filter. Measure the depth l x w x d. Standard paper air filters.

Furnace filters come in a range of sizes and different brands and types of furnaces use different filters. The actual size is the exact dimensions with no rounding. Sometimes the size is written on the air filter in which case you can just head to the store or shop here and get the one that s the same size. Nominal size is the printed labeled or rounded size of the filter.

This means that on 1 and 2 air filters the nominal size does not include the undercut and the actual size does include the undercut. A high quality permanent washable air filter will outlast the life of your hvac system. Your filter s mpr microparticle performance rating indicates its ability to capture tiny particles between 0 3 and 1 micron in size.