Based on this product's specifications, here are some alternatives and similar models
Welding Electrode Monolith E4043 2.5 mm for Aluminum Si 5%
Summary description:
Monolith E4043 welding electrode, 2.5 mm diameter, designed for aluminium alloys with approximately 5% silicon. Suitable for gas-shielded and manual arc welding applications where filler metal with Al-Si composition is required. Provides consistent feed and stable arc for repair, fabrication and maintenance of aluminium parts and structures.