This adaptor is for mounting the Smokai 1L Classic Smoke Generator to a vertical rotisserie bracket on your hooded BBQ / Grill. The adaptor enables the 1L Classic Smoke Generator to be attached and detached to the rotisserie bracket with ease. Designed to fit 75mm (3”) wide vertical Rotisserie Brackets (will not fit horizontal brackets). The rotisserie hole entering your BBQ MUST be at least 20mm in diameter for the Smoke Generator to fit. Please measure the gap between the face of your Rotisserie Bracket and the hood of your Grill - this distance must be less than 70mm (2 3/4") for the Smokai Smoke output tube to enter your BBQ/Grill. This adaptor is NOT compatible with the 3L Magnum or 4L Monster Smoke Generators. The 3L Magnum or 4L Monster may be retrofitted to BBQ/Grills. Compatibility: 1L Classic Smoke Generator only Construction: 304 Grade Stainless Steel Mounting hardware included: 4 x bolts, 4 x nuts, 4 x washers (304 Grade Stainless Steel)