Hardware Made Easy!
Various
1" insert x 3/4" male pipe thread x 1" insert hydrant tee, barbed htb version connects 3 pvc lines together.
Oatey® Rain-R-Shine® Medium Blue PVC Cement & Primer Handy Pack
Orbit PVC Sprinkler Riser Pipe & Fittings
Tigre TEE (Insert)
BrassCraft Bibb Washer Beveled
Homewerks Worldwide Universal Toil Connector Stainless Steel (1/2" x 12", Stainless Steel)