Short home-maintenance advice (YouTube video) advising that an unsealed duct system contributes to household dirt and dust. The speaker recommends sealing the duct system to reduce dust levels but notes sealing will not eliminate dust entirely.
A lot of the dirt and dust come because that duct system is not sealed. So you can actually seal your duct system to stop that from causing some dust problems. Now, you're not going to totally eliminate dust. It's not going to happen. But you can improve the chances of not having so much dust.
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