Use the Zymatic In-line Filter (INLINEFILTER) to prevent unwanted grain husks and coagulated protein from entering your keg hose. Designed for the Zymatic PicoBrew homebrew appliance, this in-filter allows you to keep a replacement on hand when the original has become clogged or worn from use. Convenient: Replace your existing filter with the INLINEFILTER after it becomes worn or clogged Reliable: The Zymatic In-line Filter prevents grain husks and coagulated protein from passing through the keg hose