and there's no waste to discard

The dispenser can accommodate a single roll of standard core toilet tissue that is up to 5-1/2 inches in diameter

1-1/2" Slip Waste Outlet

Supco SM551

Bradley S57-064 Discharge Tube Replacement Part

Zurn Reduced Pressure Zone Backflow Preventer, Low Lead Cast Bronze, Wilkins 975XL2 Series, FNPT Connecti - 112-975XL2 Baby Changing Stations and there's no waste toReduced Pressure Zone Backflow Preventer; Series: Wilkins 975XL2; Size: 1 1 2 in; Connection: FNPT; Body Material: Low Lead Cast Bronze; Temp. Range: 33 Degrees to 180 Degrees F; Max. Temp.: 180 Degrees F; Max. Pressure: 175 psi; Width: 6 1 4 in; Length: 17 3 8 in; Standards: ASSE Listed 1013, Annex G, Approved By The Foundation for Cross Connection Control and Hydraulic Research At The University of Southern California, CSA, Lead Plumbing Law