HP LaserJet Envelope Feeder. Compatibility: HP LaserJet Enterprise MFP M631dn J8J63A, HP LaserJet Enterprise Flow MFP M631h J8J64A, HP..., Maximum input capacity: 75 sheets, Country of origin: China. Media types supported: Envelopes, note cards. Width: 512 mm, Depth: 558 mm, Height: 148 mm. Package width: 601 mm, Package depth: 309 mm, Package height: 620 mm. Products per pallet: 18 pc(s), Layers per pallet: 3 pc(s), Pallet gross weight: 162 kg