Pretty much I don't know when that you use a g 1 / 4 fitting rotary or dual rotary if it fits on to any type of tubing as I don't really get it as I want to use compression fittings which use 1 / 2 ID and 3/ 4 OD and 90 degrees and what's the difference duel rotary and straight rotary sorry but I am a very big noob at this stuff
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