Dripless Stove Pipe Adapters are used to connect single wall stove pipe to
ULTRA-TEMP and GALVA-TEMP - Type HT insulated chimney pipe. The part is designed to slip inside single wall stove pipe to contain any creosote dripping down the chimney to the inside of the pipe system.

This stove pipe adapter is for use in retrofit installations, this part  can be installed from below with a Finish Support Package and secured with screws.