WaterBox Sumps - tempered?

[AndrewNS]

Hello All
I'm looking to add to my filtration and would like to drill a hole in my WaterBox sump for a 190.5 system. Does anyone know if these are made from tempered glass?

 

[exnisstech]

I would reach out to waterbox and ask. CS has been very responsive to emails when I had questions. Even when they had to reach out to engineering to get answers they always followed through.

 

[AndrewNS]

You were right. They were very quick to reply.
All WaterBox glass is non-tempered.