Product Description: 4 Tier Plastic Lockers Flat Top Rugged plastic lockers withstand food service wash-downs and are ideal for damp conditions like pools or ice rinks because they cannot rust or corrode. Because they also operate quietly, they're ideal for schools. Includes louvers, double-walled doors and a number plate This 4 tier model has a flat top. Gray color. Lockers are priced and ordered per opening. Order 4 tier lockers in multiples of 4. For sloped top 4 tier lockers, order 1 slope top and 3 flat top opening. Click here to view the wall mount installation.