Yes, virtually all new residential sink faucets manufactured and sold today come equipped with built-in flow restrictors (aerators) to comply with federal water-efficiency standards and building codes. These restrictors limit maximum water flow rates—typically to 1.5 to 2.2 gallons per minute (GPM)—to conserve water and energy. However, if your home has naturally low water pressure, these restrictors can sometimes make the stream feel too weak. Verification: Unscrew the aerator tip from the faucet spout and check inside for a plastic or mesh flow-limiting disk.
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