What a versatile pond product! It's a skimmer net for fallen leaves & surface debris, a tough brush which is ideal for keeping
...Pestban unit emits high frequency ultrasound which drives away animals but is largely inaudible to humans. Sound bursts are triggered by the movement sensor included. The Pestban will put out random bursts of noise covering an area of 8000 square feet. Unit has three switchable frequencies & three volumes to be selected depending on the animal you are trying to scare.