https://images.thdstatic.com/catalog/pdfImages/9b/9b0ec6a1-0b70-4f0f-b62d-0d80543cfc42.pdf

https://www.deltafaucet.com/kitchen/product/21988LF-SS.html

https://media.deltafaucet.com/PartsDiagram/DPD-K-21987LF%20Rev%20C.pdf

Delta

MODEL#: 21988LF-SS 

https://www.amazon.com/Peerless-RP41700-Bushings-and-O-Rings/dp/B004DQZYL2/ref=sr_1_1?crid=34TSTZ3FD881N&keywords=RP41700&qid=1690597145&s=hi&sprefix=rp41700%2Ctools%2C102&sr=1-1

https://www.youtube.com/watch?v=wRgusJ3Jil0

https://www.homedepot.com/p/Delta-Foundations-2-Handle-Standard-Kitchen-Faucet-with-Side-Sprayer-in-Stainless-21988LF-SS/203898910

Best Guess

Delta

Foundations 2-Handle Standard Kitchen Faucet with Side Sprayer in Stainless

https://www.homedepot.com/p/Delta-Bushings-and-O-Rings-Repair-Kit-RP41700/204058907

Fixing a Faucet that Leaks From its Neck