and the unit is completely assembled and water tested prior to shipping

Waste Receptacle has two tumbler locks

for Indoor applications

All stainless external construction

the cover snaps down over the screws

Zurn Reduced Pressure Zone Backflow Preventer, Low Lead Cast Bronze, Wilkins 375XL Series, FNPT Connectio - 1-375XL Centerpull Paper Towel Dispensers and the unit is completelyReduced Pressure Zone Backflow Preventer; Series: Wilkins 375XL; Size: 1 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: 4 1 2 in; Length: 11 3 16 in; Standards: ASSE Listed 1013, Annex G Certified By NSF International, Approved By The Foundation for Cross Connection Control and Hydraulic Research At The University of Southern California, CSA