I’ve used the Pangea DS-400 4 post stand when I owned that speaker. I never filled it with anything!
https://www.audioadvisor.com/search-results/?q=pangea+ds+speaker+stand
BTW, if you want to fill the stands this product is a great filler!
Traeger 20 lb. Bag Signature Blend All-Natural Wood Grilling Pellets PEL331 - The Home Depot