The GB-500-B offers best-in-class certified grease capacity and 25% kitchen solids waste capacity. It can be installed above grade (on the ground, with above grade support kit AGS2) or buried below grade (compatible with FCR2 risers to bring system to grade), as well as indoor or outdoor. The triple inlet and triple outlet features allow for installation flexibility, including the ability to connect an unused inlet/outlet for remote pumpout (PP3 compatibility - this unit requires quantity of 2). More Features: Rugged polyethylene tank body No flow control required, first in the industry certified to Type D of the ASME standard Safety Star® access restrictor prevents accidental entry Contains a baffle wall Listed by IAPMO to ASME A112.14.3 and CSA B481.1. Listed by IAPMO to ANSI Z1001-2021."