Unger HiFlo nLite Fan Brush Jets (1 Pair)
Every one of Unger's brushes come with pencil jets, but if you want to add or change to fan jets, here's what you need. Don't forget to add the HiFlo nLite Hose Brush Connection Kit (U-NLPHC). You'll want two of them for each pair of jets you add.
The fan-style is best for abnormal, hydrophobic glass and slower passes.
Unger Part No. NLBJF