Based on this product's specifications, here are some alternatives and similar models
Adapter for Nozzle Silver 11226 — 3-piece, length 150 mm
Summary description:
Adapter for nozzle by Silver, model 11226. A three-piece adapter assembly with a total length of 150 mm, designed to connect or extend compatible nozzles and accessories. Suited for directing airflow or fluids where a modular extension is required; useful for cleaning, ventilation, workshop tools, and other applications needing a short rigid adapter.