Hello. My sewer recently backed up into my sinks. I was wondering if there was a clear (or somewhat transparent) 4 inch Sch 40 PVC cleanout plug on the market, so that I could see when the water in the pipe started to back up, so that I would have advanced warning to proactively snake the pipe heading towards the street main. It would be similar to this:
http://www.lowes.com/pd_23308-1814-..._clickID=3bbd8128-1ff5-40cc-94c0-31a8261b6d1d
http://www.lowes.com/pd_23308-1814-..._clickID=3bbd8128-1ff5-40cc-94c0-31a8261b6d1d