The Pelican MAN-20DB-A-CAL-NCS-6 is a 20 inch dry bulk manhole cover assembly with an aluminum cover, white NBR gasket, steel weld collar, and zinc-plated steel latch kits. It is hydrostatically tested to 47 PSI, rated 30 PSI MAWP, uses six footplate hold-downs with stainless steel wear plates, and is interchangeable with other industry-standard manholes including the LM1110.