Based on this product's specifications, here are some alternatives and similar models
Hard crate pet carrier FERPLAST Atlas 10 EL — for cats and small dogs, 325×480×290 mm
Summary description:
FERPLAST Atlas 10 EL is a hard crate pet carrier designed for cats and small dogs. Dimensions are 325 mm (width) × 480 mm (depth) × 290 mm (height). The rigid construction provides secure transport, ventilation slots ensure air flow, and the crate design allows safe travel, visits to the vet, and short trips. Suitable for in-car use and public transport when permitted.