Based on this product's specifications, here are some alternatives and similar models
Lapp SKINDICHT BLK-GL-M M32 Polyamide Blanking Plug, Light Grey
Summary description:
The Lapp SKINDICHT BLK-GL-M is a high-quality M32 polyamide blanking plug designed to seal unused threaded holes in enclosures and housings. Featuring an IP54 protection rating, this light grey plug ensures reliable protection against dust and splashing water. It is an essential component for electrical installations, providing a secure and durable closure for industrial equipment and junction boxes.