Check the listing for details. TapeTech 4" Inside Corner Flusher CF40TT for Drywall Taping & Finishing. Condition: New. Listed at 140.00 USD. TapeTech 4" Corner Flusher TapeTech® Corner Flushers make quick work of wiping or finishing inside corners. Direct flushers are used to apply joint compound to internal corners. Indirect flushers simply smooth compound that has been applied by another tool. TapeTech flushers work as both a direct and indirect flusher. That means you don't have to decide which model to get, only which sizes fit your needs. Compatible with any brand handle, angle box, compound tube or MudRunner. Al's Taping Tools is the Largest Drywall Tool Store in the World! We are also a fully equipped automatic drywall tool service center with over 30 years in the industry. We service all major brands. All of our service techs are also fully trained in the operation of the tools that we sell and service. So if you are new to automatic drywall tools or have any questions please give us a call or send us a message. We are here to help. Al's Taping Tools & Spray Equipment815 Tower DriveMedina, MN 55340