Why do they make these out of plastic? I usually buy these off ebay every couple of years as a "waterbed fill kit" for $5-7 when the plastic threads start to wear. Quick scan of ebay says these are running around $10 shipped now.
That price tracking website says this is the lowest price.
Current $3.48 Nov 10, 2020
Highest * $8.42 Sep 14, 2019
Lowest * $3.48 Nov 10, 2020
https://www.amazon.com/Python-13B…918&sr=8-7
Also the same price at Chewy.com free shipping w/$49.
https://www.chewy.com/python-aqua…/dp/133621