Brass or male-to-male thread adapter suitable for kitchen or bathroom tap aerators with a thread of 22 x 1 and 24 x 1. This type of adapter is ideal for transferring any fitting from 22 mm female thread to 24 mm male thread and vice versa. It is made of silver-coloured brass, being resistant to oxidation, corrosion and ageing. It has a rubber sealing washer to prevent leakage on the 24 mm thread, and an inner groove on the 22 mm thread, which is ideal for removing the adapter with a simple coin. The thread tap adapter has a total height of 12mm. This thread tap aerator adapter is sold in single units.