SPRINKLER TALK FORUM - You Got Questions, We've Got Answers

I ran out to my truck to see what they say on top. I think you're refering to the 16H SLA and/or the 22H SS nozzles. They've been discontinued. Some supply houses will have some old stock still on the shelves. These didn't fly out the door. I don't know where you live. You could try an irrigation supply house such as, Hydroscape, Ewing, John Deere, Green Mark, Or?
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You said you have a lot of them. These aren't cheap but they'll do what you want.
www.sprinklerwarehouse.com/v/vspfiles/search/search2.asp?Extensive_Search2=N&keywords=mp+rotator
www.hunterindustries.com/products/mprotator/

There's also a 5 foot stream bubbler. Not sure exactly what you're looking for. 5H-B

No more stream spray nozzles? I guess the Rotators will make them obsolete.