Maxline M8002 is not designed for 1/2 inch flexible tubing. I'm giving it one star to warn you that if you expect this part to work with the Rapidair 90500 master kit, it doesn't. This is for another 1/2" pipe. Other reviewers are only giving general product ratings and this will not serve people like me. Rapidair's overall rating is 5 stars. But now I need to buy a replacement M8002.
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