Manufacturer specs (to be confirmed): Product designed for: Mulch Flow: Free Flowing Bag Weight: 40 Lbs Bag Material: Polyethylene Flat Film Film Thickness: 3-5 mil Thoughput: 12-14 Bags per minute with volumetric feeder Air pressure: 90-120 psi Allen Bradley Controls This machine was used for a short period of time before the plant shut down. Inspection and delivery is available.