Based on this product's specifications, here are some alternatives and similar models
Shockproof Pipe Reducer Honiton H-680, 3/4" to 1", brass fitting
Summary description:
Honiton H-680 is a shockproof pipe reducer for connecting 3/4" to 1" threaded pipes. Manufactured as a brass fitting, it provides a secure transition between different pipe diameters in plumbing systems. Suitable for domestic and light commercial applications, it is used for water supply, heating circuits and general pipework where reliable threaded connections are required.