UltraTech Containment Sump 1000: With 2" Drain, 1,100 Gallons 2832 Soap Dish The seat's 1 2 inch plywood core The seat's 1 2 inch plywood core is covered with comfortable padding and then finished with a water resistant naugahyde cover jpg loading Meets Stormwater Contains 1000 gallon fuel tanks1 piece molded polyethylene design will not rust or corrodeNestable design saves freight and minimizes storage spaceOptional 3 4 drain fitting available allows use with Ultra SelfBailer2 drain fitting also availableUse with optional Ultra Self Bailer (Part# 9935) for outdoor containment Self Bailer allows clean stormwater to passively drain from sump while capturing hydrocarbons