PORTER-CABLE 344 5-Inch Random Orbit Sander - PSA Pad 3.0 Amp motor for power and durability in the shop Porous polyethylene dust canister exceeds durability of cloth dust bags Improved ergonomics with rubber top grip for comfort Top cap design allows users to service or clean out the unit quickly Dual dust ports accept 1-inch and 1-1/2-inch vacuum hoses