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XKGlow Error Canceller Capacitor Lite Elite RGB headlight bulbs (2-in-1) in H4 fitments combine RGB capability with an error-cancelling capacitor to assist compatibility with vehicle electrical systems. These bulbs are designed for conversions where H4 sockets are used and aim to reduce flicker or error messages while allowing multi-color illumination as part of an LED retrofit strategy for supported vehicles.
XK Glow Error Canceller Capacitor Lite Elite RBG Headlight Bulbs (2 in 1) - H4
