Powermatic PM1300 1791077CK 1-3/4 HP Dust Collector with Canister Kit Remote controlled digital timer can be programmed for up to 99 minutes All-metal duct construction for rigidity and improved air flow Dual 4" dust ports for simultaneous collection from two machines 1-3/4 HP motor offers plenty of power for effective air movement Collection bag uses a snap ring so it can be installed and removed rapidly