Made in the U.K. exclusively by Lambretta upgrades. Comes in highly polished 304L stainless steel and comes with button allen bolts, flat washers and nyloc nuts.
 Outside diameter is just over 3 1/2inches (90mm). Requires 2 1/2 inch (63mm) hole cutting out in panel
 
This has no mesh, just the grill
 
Price includes VAT @ 20%