Based on this product's specifications, here are some alternatives and similar models
Brass extension fitting FERRO P160Z 3/4" 60 mm - male/male plumbing connector
Summary description:
FERRO P160Z is a brass extension fitting for plumbing applications, sized 3/4" with a 60 mm length. The solid brass construction provides corrosion resistance and mechanical strength. Designed as a male-to-male connector, it is suitable for extending threaded pipes or fittings in water installations, heating systems and general household plumbing.