POWERTEC Dust Collectors Blast Gate Aluminum Clog Proof Design 4 in Dia (6-PacK)
Introducing the 4 in. Aluminum Blast Gate by POWERTEC. Universal Fit Featuring a nominal 4 in. Includes: six 4 in. Dust Collection Accessories Type: Blast Gate. Versatility: possesses a universal fit (nominal 4 in. ).