The Mastercraft 15 gallon wet/dry poly vacuums are designed for industrial and commercial cleaning. The Trap-Sack® dry filtration system comes standard and includes removable cloth filter and large totally enclosed disposable paper filter bag for greater filtration area and easy to dispose of collected material. The wet pick up adaptor has a automatic float shutoff and replaces the dry filter for removal of liquid. The adaptor protects the by-pass motor from water damage. 15 Gallon filter.