Introduction SFI or SAL Flicker Immunity is a new system of lights and dimmer created by SAL to eliminate the flickering down lights associated with the off-peak hot water tones in NSW and S.E. Queensland and off-grid solar system with generators, Australia wide. SFI achieves this at a much lower price point and much less … Continue reading What is SAL SFI (SAL Flicker Immunity) and how does it work with PIXIE?