Faucet Aerators Universal Male Faucet Replacement Part Water Filter Adapter Faucet Flow Restrictor (2)

Better than the old copper mesh,ruined by chalk.

Not as you expectCheap plastic keyNossels did not fit as supposed, had to throw awayPlus the amount in the pack is more for a plumber to buy not a single person unless you have 10 taps in your house.If they are going to break easily it would make sens yo have spares

Easy to fit and does the job without any leaks.