Based on this product's specifications, here are some alternatives and similar models
Foam soap dispenser Wepa Satino SF1 system — 1 L refill, gentle foam soap
Summary description:
Foam soap dispenser and refill for the Wepa Satino SF1 system: 1 L gentle foam soap designed for contact hand hygiene. Compatible with SF1 dispensers, the refill provides a ready-to-use foam formulation that reduces consumption and rinses easily. Suited for washrooms in offices, healthcare, hospitality and public facilities requiring frequent handwashing.