Reply To: How to set "OR" logic for Range Slider on Custom Field?

Hi!

1. There is an option for this on the Frontend Search settings -> Advanced panel, to allow displaying results with missing custom field values: http://i.imgur.com/iRGKU82.png

That should do the trick.

2. In this case, you can leave the “Phrase” field empty (instead of “GB”), it will work that way as well.