Enjoy the beer that you deserve.
What it does :
Filters are used by homebrewers to achieve desired clarity in their homemade beer.
What it is:
A filter is a device for removing small undesirable particles from a fluid that passes through it.
How it works:
After boiling and fermentation, the finished beer may contain undesired particulates. A filter helps to take these out of the beer before bottling. Cartridge-style designs have disposable filter cartridges. Note that while some beer styles are meant to be cloudy, others aren't. Your personal taste is also a strong determining factor.
Filters are used for the cold side of brewing (e.g. fermentation, bottling, and packaging). So, sanitized filters housings should be used to prevent spoilage from contamination.