Hello JimSaidSo,
Thank you for taking the time to leave us your thoughts on the Delta Faucet Aerator, part number RP53998. We appreciate your feedback.
I am sorry to hear that this product did not meet your expectations. As the manufacturer, we are committed to supplying consumers with a quality product that delivers the expected performance.
The correct aerator for the Delta Faucet Bellini Single Handle Kitchen W/ Soap Dispenser And Spray, model 11946-SD, is part number RP50783.
The correct aerator for the Delta Faucet Bellini Single Handle Kitchen Faucet With Spray & Soap Dispenser, model 11946-SSSD-DST, is part number RP70718.
Please contact us with any questions or for further assistance.
Thank you for being a loyal Delta Faucet customer.
Best Regards,
Emma