Manufactured by Rage Inc, Plumsteadville, PA. Design pressure 14.5 psig, design temp -15 to 150° f. 50.5 cubic feet storage capacity, weight 2,968 lbs. Unit has aluminum clean air plenum with seven blow pipes. 48" diameter. Designed for top removal of cartridges. Overall height is approx 152". Bottom cone is boltable and removable. Bottom outlet is 8" diameter flanged. Cone has eight connections for air pads. Unit has 6" inlet dia and 8" clean air outlet. Collector is currently missing control timer and solenoid valves. We can rebuild for additional cost. Material contact side is carbon steel. Clean air side is aluminum. Tube sheet is carbon steel. Unit has 37 used filter cartridges installed.