These bottles are fine as others have said. As a detailer with 26 years experience I know that some chemicals can damage fuel injectors over time (not all chemicals for example only very strong neat degreasers and neat APCs). The secret to all hoods is to soak them in water and run clean water through them after using strong degreasers. These bottles are one of the industry standards for atomizers. A little internet research and you will see. I've been using these bottles for years with no problems and only keep an eye on them when I'm using more harsh chemicals.
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