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SharkBite 1 in. Push-to-Connect Brass Slip Coupling Fitting U3020LFA - The Home Depot
SharkBite 1 Inch x 1 Inch x 3/4 Inch Reducing Tee, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U416LFA - Pipe Fittings - Amazon.com
SharkBite 1/2 in. Push-to-Connect x 3/4 in. FIP Brass Adapter Fitting U068LFA - The Home Depot