Baratza Virtuoso Single Dose Hopper & Optional Bellows Combo Model:Virtuoso+ is designed specifically for the

is designed specifically for the INTROVERT 58-49mm Step-Down Basket V0

Covers the step-down transition zone so that the entire hole matches the basket in diameter

Additionally

This listing is for INTROVERT Switch Lock only

Note: The design has been updated as of Jan 2026

Baratza Virtuoso Single Dose Hopper & Optional Bellows Combo Model:Virtuoso+ is designed specifically for theIf you only single dose on your Baratza Virtuoso, you can swap out your large stock hopper for 3D printed our low profile, single dose hopper designed specifically for the Virtuoso models. If you also have issues with retention, then say farewell to it with our optional bellows that will help you achieve up to an incredible 0. 0g to 0. 2g retention on each grind*. [Design Features] My design philosophy revolves around simplicity and utmost