The Fuelab bracket kit for 818xx/828xx series filters provides one bracket and the hardware required to mount those filter series. It notes that 828xx series installations require two brackets per job, while the 818xx series requires a single bracket. This accessory is intended to simplify filter mounting by supplying compatible hardware and bracket geometry matched to Fuelab’s 818xx and 828xx filter families.
Fuelab Bracket & Hardware Kit for 818xx/828xx Series Filters (828xx Series Need 2) - 1 Bracket