Has anyone ever used this Baffle Kit for sump?

[h4nzo_steel]

I am in the process of building my sump and came across this.

https://www.ebay.com/itm/REFUGIUM-K...=item25d0607910:g:ifwAAOSwbEZbCfN5:rk:18:pf:0

Anyone ever use this kit before. Seems like a great deal, compared to others.
I appreciate the help. Thanks