Go to the Inventory page. On the left side, right below All and Configurable tabs, you will find a light blue button called Filter.
You can begin filtering your Inventory items by pressing on that button and selecting your Filter Type.
Press on your selected filter, for this example Product SKU was chosen, then choose whether SKU's include or exclude specific text or numbers.
In this case, Inventory items who's SKU include the word "PEN" were selected.
Press +Add button and wait for the orders to sort out.
From here, more filters can be selected. In this case, all inventory items would be filtered to show only those that contain the STOP Tag as well.
Now only those inventory items that fall under both Filter rules will be placed below.
If you decide that this combination of selected Filters is plan to use multiple times in the future, just click Save for later near the end of the displayed filters.
This will open a pop-up window allowing you to save this filter set for future use.
Now navigate into Filters and Instead of Add a new filter, press on the Saved Filters and choose from the list of your saved options and press Apply.
Quick Note on the filter types:
Price: filter by price is less, greater or is equal to the inventory retail price.
Quantity: filter by quantity less, greater or is equal to the total stock.
Store: filter out orders from specific Sales Channel.
Brand: include or exclude inventory items brand.
Supplier: filter out orders containing items from a specific Supplier.
Product Name: include or exclude containing a specific Inventory item.
Product SKU: include or exclude inventory containing a specific SKU.
Low Stock: filter out inventory below to reorder point.
Category: filter out items that belong to a specific category.
Sold out/ Expired: filter out items that is or not Sold out or Expired.
Tag: include or exclude inventory containing a specific Tag.
FBA Quantity: filter by quantity less, greater or equal to the available FBA stock.