This section contains PVC Schedule 40 Reducing Tees. PVC Schedule 40 Tees are PVC fittings with three ends. PVC Schedule 40 Tees descriptions = (end) x (end) x (middle). Therefore a 3/4" x 3/4" x 1/2" PVC Schedule 40 Tee has (2) 3/4" End Connections and a 1/2" Middle Connection.