To calculate the overall star rating and percentage breakdown by star, we do not use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Great product. Worked fine to install a replacement garbage disposal under kitchen sink. The product container was just thrown into an Envelope and shipped. The lid popped off of the container during shipment. Fortunately the container wasn’t crushed are broken. Please consider packaging better for shipment.