Best deal on Amazon for irobot parts

I'm incredibly pleased - this has to be the best deal on Amazon for replacement Roomba parts!

I have terrible allergies and two cats (UGH, not my idea) and so I tend to replace the filters even more often than the Roomba app recommends.  Likewise, the rollers get damaged a LOT.  If you have someone in your home with long hair (my wife) hairs will get caught on the gray rollers and actually slice it in half.

So having a bunch of replacement parts is so important.  As near as I can tell, these are exactly the same as the OEM parts that came with my Roomba 960 (see how I made it all about me by sneaking in the model number and showing how spendy I am?)