Wireless flow meter install success!

well crapp… just got all of this cut apart to find out i have 3/4 in pipe. so now my fittings are wrong. Which fittings should i get and is 6" still correct?

will this one work?
https://www.amazon.com/SharkBite-U060LFA-1-Inch-Reducing-Coupling/dp/B003112I6Y/ref=sr_1_4?keywords=sharkbite+1"+to+3%2F4&qid=1552362999&s=gateway&sr=8-4