HFY marbull VT77LP/VT-77LP/VT 77LP replacement projector lamp with housing Fit for NEC VT770; Vt770+; 50024558 Projectors Lamp Part Number: VT77LP Projector Model Number: for NEC VT770; Vt770+; 50024558 Type:Replacement Projector Lamp Application:Commercial,Engineering,Indoor,Professional,Sailing HFY marbull is the only Authorized Retail Seller of HFY marbull.