Based on this product's specifications, here are some alternatives and similar models
DEFLECTOR TRN 250 Ventilation Duct Fitting
Summary description:
The DEFLECTOR TRN 250 is a specialized ventilation component designed for efficient air distribution and protection of duct systems. This durable fitting ensures optimal airflow management in residential or commercial ventilation networks. It is engineered for reliable performance, easy installation, and long-term durability within standard ventilation duct configurations.