Based on this product's specifications, here are some alternatives and similar models
Cover Rittal SK 3301.612
Summary description:
The Rittal SK 3301.612 cover is made of transparent polyvinyl chloride (PVC) with a depth of 12 mm and a material thickness of 2 mm. It is compatible with various models including 3209...3210, 3214.100, and 3215.100. Each pack contains 1 piece and weighs 1.06 kg, making it a lightweight and durable solution for your enclosure needs.