Seal connections tightly with this O-ring, part number 501278201, for select Insinkerator, Hoover, Husqvarna, Craftsman, Ryobi, or Poulan Pro Garbage Disposer, Vacuum Cleaner, Lawn Mower, String Trimmer, Leaf Blower, Edger, Hedge Trimmer, Chainsaw, Pole Pruner, or Drivers.