Based on this product's specifications, here are some alternatives and similar models
Coupling SpiroFlex SpiroFlex Mufa MF D-200 – pipe coupling D-200 for ventilation and ducting
Summary description:
SpiroFlex Mufa MF D-200 is a D-200 diameter coupling designed for connecting round ventilation ducts and pipe sections. It serves as a mechanical joint for HVAC systems, enabling secure alignment and attachment of ductwork. Suitable for use in residential, commercial, and industrial ventilation installations where a D-200 coupling is required.