My review of DIM's Default Filters
Ron Knights
Posts: 2,104
in The Commons
To be honest, the Default Filters are extremely lacking. For example, selecting "Generation 5" only finds items containing the number "5."
I didn't try any SKU numbers since I don't have a chart telling me which SKU numbers cover which generations of product.
In the end, I spent 2-3 days searching for and adding items in Generations 1-4 and Genesis items.
I'll probably save the results, but not use them for my own DAZ Studio work.
I'd already accomplished those goals my own way.

Comments
SKUs roughly reflect when the product was added to the store, they aren't coding for anything.
You can always build your own filters with http://docs.daz3d.com/doku.php/public/software/install_manager/referenceguide/interface/filter_field/advanced_filtering (or ask someone else for help)