Based on this product's specifications, here are some alternatives and similar models
Portafilter Weighing Plate for Acaia Lunar by acaia, model AA007
Summary description:
Weighing plate designed for use with the Acaia Lunar scale, intended to hold a portafilter during espresso dosing. Manufactured by acaia (model AA007), the plate provides a stable surface that integrates with the Lunar platform for accurate weight readings while preparing shots. Suitable for professional and home baristas to measure extracted coffee or dose grounds directly into the portafilter.