General Description: Densifies expanded polystyrene and other materials up to 25 lbs. per cubic foot / reduces volume up to 50:1. Densification of 16 lbs. per cubic foot will fill a trailer with 40,000 lbs. of densified material / reduces transportation costs. Stacks on pallets for convenient storage and shipping. Operates on pressure - no heat or chemicals to degrade polymer. Designed for low maintenance and easy operation.