This bracket kit should be used for TurboJet Max Series, Sentinel 1500 and TurboJet 2012. Install bracket kit in each machine, you will then order part # COM0703 as your filter replacement.
Note: The bracket upgrade is a one time installation. You will need a bracket upgrade kit for each machine if you own more than one machine.
Click here Bracket Upgrade to download the Bracket Upgrade Installation and Instructions