Based on this product's specifications, here are some alternatives and similar models
Arpex GWIZDKI (K9550) — Arpex replacement or accessory part ARPE1183, MPN ARPE1183
Summary description:
Arpex GWIZDKI (K9550) is an Arpex spare part/accessory identified by manufacturer part number ARPE1183. This component is intended as a direct replacement or add‑on for compatible Arpex devices. Useful for repairs, maintenance, or restoring original functionality, it comes labeled with the K9550 designation and EAN 5907667239550 for inventory and ordering.