no more messing with cat litter, no more scooping, no more pouring litter into boxes- all that stuff becomes air born and you breathe in germs and dust from cat litter into your lungs, they need to make totally disposable tray with litter a
lready in it, with heavy duty bag attached to it, sits on bottom of tray until ready to dispose, then you just pull large attached bag up and over entire tray box dirty litter and tie bag top and dispose of it all, with out ever touching dirty litter tray or scouping cat litter : http://www.webmd.com/a-to-z-guides/bacterial-and-viral-infections.
