Based on this product's specifications, here are some alternatives and similar models
TTPLAST ZCLFHF 16 Halogen-Free Expansion Coupling 16mm Grey
Summary description:
The TTPLAST ZCLFHF 16 is a 16mm halogen-free expansion coupling designed for electrical conduit systems. This grey coupling allows for thermal expansion and contraction of pipes, ensuring structural integrity in cable management installations. It is manufactured from high-quality, flame-retardant materials, making it suitable for environments where safety and fire protection are critical requirements.