Pump type cleaner eliminates clogging of drain hose Removes dust, insects, and leaves that clog into the hose Simply insert into the end of the drain hose, pull the handle and suction Compatible drain hose size: Approximately 0.5 - 0.6 inches (14 - 16 mm) inner diameter) Material Polypropylene, vinyl chloride resin, ABS resin Item Weight 260 Grams Nominal Wall Thickness 7.5 millimeters Outside Diameter 10.5 Centimeters Item Length 41.5 Centimeters