WaterdropAP431 AP430SS Whole House Scale Inhibitor Filter, Heater Softener System, Prevent Scale Build Up On Hot Water Heaters, Pipes and Boilers

Perfect fit each time, and ease of removal and installation of the filter! Good quality and price!

Good product

I changed the Filter on my Navien heating system as required yearly. The price was reasonable and the filter was a perfect replacement.

This is my second Waterdrop product. I also have an under sink filtration system. This scale inhibitor is a must when installing a tankless water heater to prolong the life of your water heater. Others have reported leaks at the threads, but if you use a good amount good teflon tape & tighten appropriately, you should be fine. Other than that, nothing else I can report on until about a year when its time to flush out my tankless heating system. Eddie K out !!

Just installed for my propane instant water heater. Was a breeze. Will update in a few months, after some testing.

An inline water filter to filtrate your lead water. I mean water to make it taste better or something. I don't know how well it works. I have not got to hook it up yet. I'm gonna say it's gonna work good though, what do you think

My filter cracked when installing it seems the plastic was damaged and I was able to exchange it and received it the next day. It's working like a charm.

Lost one due to hard to thread but the filters work you can feel the difference in the water so we will see how long they last our water in San Diego CA is pretty hard