Do not forget the in-house laser cut Neoprene gasket along with the Zinc coated machine screws to ensure you do not experience Galvanic corrosion (dissimilar-metal corrosion) from the electrochemical process on the Aluminum body :)
Unfortunately, you have never purchased from our shop and likely our products are not the typical way you approach your installations. If we can help answer any questions about our product or explain why certain items cost what they do, we will be happy to explain them to you.