Rack'em RCMMS4 Multi Mount SS/Aluminum Grass Catcher, 4.4cu.ft, Swing DoorRack'em RCMMS4 Multi Mount SS Aluminum Grass Catcher, 4. 4cu. ft, Swing Door *Rack'em face plate is required with this grass catcher* Stainless Steel Aluminum Hybrid Grass Catcher is designed to be lightweight yet strong, durable and versatile to provide years of trouble free service Our Hybrid Grass Catcher is designed to accept a mower specific face plate, so if you ever sell your mower all you would need to do is buy a new face plate for the