RIDGID® Professional Line Wet/Dry Vacs include 12 models, from portable, 4-gal unit to 16 gal Vac with integrated cart, that feature long-life Pro Hoses and Quick Lock™ fastener-free filters. Motor-on-Bottom (MOB) 1650RV model uses Scroll Noise™ reduction system and drum surrounding motor to reduce noise, while motor position creates stable, low center of gravity. Also available, Smart Pulse™ RV3410 has 2 self-cleaning filters and integrated sensor that continuously monitors suction efficacy.