The good news is that restoring airflow is usually a matter of finding the problem and fixing it – and this can often be achieved at home.

Decibels is a measure of sound intensity.The higher the decibel level, the louder a noise is..

When humans are speaking, we tend to have a conversation noise level of around 60dB.TV is often around 70dB, while a train passing around 100 feet away is approximately 83dB..Here are a few more examples of noise levels..

Estimated Decibels *.Normal Conversation.

Normal Laughing.

Vacuum Cleaner (Maximum).To remove the filter, you’ll need to open the lid on the dirt canister.

You can do this by using a small tab on the side of the lid.. Once the lid has been opened, you can lift out the entire filter housing.Tap off loose dust on the filter housing into an external bin, then use the tab to remove the filter itself from the top of the housing..

Step 3: Clean The Filter.Now that the filter has been removed, you should tap loose debris into the bin.. Once you’ve removed any loose dirt and dust, wash the filter under a warm tap until the water runs clear.