Adopting premium materials, these faucet aerator can shape the smooth water stream coming out of the spout. Replace the old and impeded aerators to have clearer water. These aerator for sink faucet are easy to install and this aerator functions very well to keep the water from splashing everywhere. Features -Color:Silver -Material:ABS, stainless steel -Size:2.30X2.30X1.60cm/0.90X0.90X0.63in -Size:2.00X2.00X1.40cm/0.79X0.79X0.55in -Inner screw size of the faucet aerator:55/64inch. -Filter size:0.82inch. - With simple and reasonable structure, the sink faucet aerators are easy to install and replace, simply screw it onto the faucet extender. - This alternative kitchen sink faucet aerator reduces water use by bringing water into touch with air enough to create a bubbling effect. - The faucet aerator is made of premium materials, durable and easy to be used for long time. - Ease the impact of water, the bathroom faucet aerator can prevent water from splashing by generating lots of bubbles. - Can be installed in the kitchen sink faucet, bathroom faucet and lavatory faucet nozzle head, better fit your demands. Package list: 4 x aerators 4 x sealing gaskets 4 x replacement cores