Top-filling design for ease of maintenance and labor savings. Vandal-resistant locking cover and free-turning spout. Corrosion-resistant. Bright-polished 4" (100mm) spout, cover and escutcheon. Impact-resistant ABS body and shank; shatter-resistant polyethylene container. Capacity: 20-fl oz (0.6-L). Maximum mounting thickness: 1" (25mm).