Optoma BK-4028, Soft Case for Optoma Projectors Optoma Model: BK-4028 Brief Description: Soft Case Compatibility: TX615 / TX612 / TX542 / HD20 / HD200X / HD22 / HD2200 / EX615 / EX612 / EX542 / EH1020 / TH1020 / TX762 / HT1081 / HD180 / TX5423D / PRO450W / PRO180ST / PRO800P / TW762 / TW615-3D / TX615-3D / TX615-3D / GT750 / GT750E / TX612-3D