Do I have to permanently modify my Kettle? NO

Can I still use Briquets? YES (just slide the adapter off and you're good to go!)

Is it height adjustable: YES

Which Weber® grills will it work with? 22" Original, Master Touch, and Kettle Premium

Can it cook high heat (500º): YES

Can it do low+slow for long cooks: YES (one hopper full at 225º should last around 12 hrs)

Is it weather-proof? YES