Zurn Z537 - 16" Square Top Heavy-Duty Parking Deck Drain with Support Flange Select Product (see spec sheet for info):Z537-6NH-C-G-VP-Y while the tractor-style grate handles

while the tractor-style grate handles heavy loads and resists tilt

ZA104-20-3IP

slot width is barely detectable

ZN415BL-3NH

Z554-4NH-P

Zurn Z537 - 16" Square Top Heavy-Duty Parking Deck Drain with Support Flange Select Product (see spec sheet for info):Z537-6NH-C-G-VP-Y while the tractor-style grate handlesThe Zurn Z537 parking deck drain is crafted to serve tough vehicular environments. Designed for rooftop parking decks, ramps, plazas, and other exposed deck surfaces, it combines heavy duty materials, high flow capacity, and secure membrane integration to protect structural systems while efficiently managing stormwater. Key Features Robust, Coated Cast Iron Construction: Built to resist corrosion, impact, and long term wear in harsh outdoor