Based on this product's specifications, here are some alternatives and similar models
Preservation Spray Gun K2 model L6520 by K2 – handheld spray applicator for rust protection and lubrication
Summary description:
K2 L6520 is a handheld preservation spray gun designed for applying protective fluids for rust prevention, lubrication and long-term conservation. The tool fits common aerosol cans and provides controlled spray delivery for targeted application on metal parts, hinges, mechanical joints and storage equipment. Suitable for workshop, garage and maintenance tasks where precise corrosion protection and lubrication are required.