You’re in the right place for screw feeder.By now you already know that, whatever you are looking for, you’re sure to find it on Smart Weigh.we guarantee that it’s here on Smart Weigh.Any hair, fur, leaves, sand particles, or other stubborn stains in the swimming pools can be effectively removed by using this product. .We aim to provide the highest quality screw feeder.for our long-term customers and we will actively cooperate with our customers to offer effective solutions and cost benefits.