6pk Silent Master Ducted Vacuum Bags SM1 SM2

6(pk) Silent Master Ducted Vacuum Bags SM1 SM2 They feature the following: a heavy duty cardboard collar with rubber membrane for better a fit double walled for better strength and filtration double folded edge for better strength a pack of 6 dust bags up to 50% longer life & more power top filtration elastic top filter bags brown or white color Fits Modern Day Models: Modern Day Central Vacuum System 2000 Modern Day Central Vacuum System 3000 Modern Day 4000