Vacum Cleaner 1.Slient motor,with powerful suction and long runtime. 2.Especially waterproof design,and ... plastic tank,acidproof and antialkalis,and collision resistance.Slient motor,with powerful suction and long runtime.Especially waterproof design,and flexible ... ,easy clean and it can prevent dust from damaging parts.With four-wheel base rack,nice appearanceand and high flexibility.Suitable for ...