The air filter must fit snugly into the system without having to force it in. It is essential that the filter is securely adjusted so that it completely covers the air flow and can trap the greatest amount of particles. Loose or too small filters allow air to pass through them without filtering anything. If the filter were tight enough to seal both sides, it would be extremely difficult to install them.
The oven filters must fit securely, but there is no need to force them into position. If you have to force the filter into its slot, it's probably too big. Inserting an incorrectly sized filter may cause it to deform, damage it, or reduce its ability to function properly. The filters are slightly smaller than their slot for easy replacement.
Some HVAC units may need a filter with unique or unusual dimensions. In these cases, it is necessary to order a custom filter. This air will come from an unconditioned space and should not enter the air handler even though it passes through the filter. If the filter doesn't have the actual dimensions on the outside of the filter, you can measure the filter to get the correct dimensions.
When you buy your air filter online, it is important to know that air filters come in two sizes: nominal size (which is a round size often used to label the filter) and actual size. The filter should be slightly smaller on each side of the groove in the filter housing, allowing you to easily insert the filter. As mentioned before, you can also choose a longer filter, since there is no need to close any doors or covers on the filter. We have filters and pads for humidifiers from all major manufacturers (including Air King, American Standard, Aprilaire, GeneralAire, and Honeywell).
When the oven is running, air pressure pushes the filter against the underside of the slot, effectively sealing the opening. Filters don't need to have a “hermetic” seal, but you should be able to easily install and uninstall the filter without problems, and the filter shouldn't be so small that it can move freely inside the unit. Dust, allergens and pollutants will not leach out of the indoor air, since the air does not pass through the filter, enters the ventilation and returns back. If you can't find a standard-size filter within that parameter, you'll have to order a custom-sized air filter.
The adhesive tape could prevent the filter from moving toward the air handler (if it sticks to the edge of the filter), so it covers the inside of the tape, as it could stick to the cardboard edge of the filter. For example, if you measure a 20x30x1 labeled air filter you will see that its actual size is smaller than its nominal size of 20x30x1. To ensure your air filters are fitted securely and avoid any damage or deformation, make sure they fit snugly into your system without having to force them in. It's important that they are adjusted correctly so they completely cover your air flow and can trap as many particles as possible. If you have to force your filters into their slots they are probably too big - so make sure you measure them correctly before buying online! When selecting an air filter for your system, make sure that you take accurate measurements of your system's dimensions and compare them with those of your chosen air filters before making a purchase.
This will help ensure that your new air filters fit securely in place without having to force them in or risk damaging them due to incorrect sizing. Additionally, make sure that your chosen filters completely cover your air flow so that they can trap as many particles as possible for optimal filtration performance.
