Rectorseal 81914 TRUaire MV4 Retrofit 8" x 8" 4 Way Grille/Damper Box 6, 7, 8" NML1 The ET600 is a multi-function

The ET600 is a multi-function Megohmmeter capable of producing 125V

one two sided bit

[Labor Saving] Save time and effort with professional-quality connectors that install in half the time of a typical wire connector and don’t require pre-twisting of wires

Direct molded insulation for protection against electrical shock and arc flash explosion

Engineered for use with impact drivers

Rectorseal 81914 TRUaire MV4 Retrofit 8" x 8" 4 Way Grille/Damper Box 6, 7, 8" NML1 The ET600 is a multi-functionRectorseal 81914 TRUaire MV4 Retrofit 8" x 8" 4 Way Grille Damper Box 6, 7, 8" One piece air diffusers with air tight design that eliminates the need for tedious mastic & external sealers, making diffuser installation no longer a two man job, Choose from five grille styles to deliver optimum air flow & movement pattern for any room. A plastic ceiling diffuser with incorporated ceiling box. For residential light commercial use in 8" x 8" square.