Ring for Attix 50 -
fits in a groove on the bottom of the motor head assembly and
makes a tight seal to the canister. This model should be change
periodically to ensure a tight seal and optimum performance. If
you own an Attix 30 and want to use the larger capacity Attix 50
canister, you'll need to purchase this gasket ring and remove the
stock Attix 30 ring from the head assembly.