Fabricated in stainless steel this piece of equipment last for life of the pulper. They come in 48” dia. And 60” dia. Sizes. A overflow box mounted to the side of the unit feeds mostly light weight rejects to the detrashing system. The heavy rejects will gather in the bottom of the tower for the Hydraulic grapple to come down and remove the heavies from the bottom. The hydraulic grapple can be manual or automatic operation and if the monorail system above the pulper is designed correctly, the grapple unit can also be used to change rotor and extraction plate in the pulper.