No need to call the plumber. Install this simple tap insert and in no time at all, you'll be saving water. This unique water saving tap insert permanently converts up to 85% of taps with screwed outlets into a water saving aerated spray saving approximately 70% of water. This is ideal for places where there is no plug in a basin where whatever water supplied runs away. Each pack contains a pair of inserts which fit most threaded taps, so you can use them on two different taps - saving you double the water and double the money! Suitable for hot and cold water applications and for mixer taps. Easily removed for cleaning and de-scaling if required. Its low cost and easy installation provides a simple solution to water wastage at the tap.