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The Fragola nut and line assembly adapts 3AN to 4AN connections with a 4AN nut on an 8.5-inch nitrous-compatible line and comes with black nuts. It’s supplied as a compact assembly for routing fluid to AN fittings where short runs are required. The description specifies AN sizes, nut colors and overall length so buyers can match it to existing AN plumbing without guessing materials or unsupported performance claims.
Fragola -3AN x -4AN Nut 4AN Nitrous Line 8.5in Black Nuts
