2778BD is a One-Piece 8' (2.4 m) Rail Assembly. This complete
rail is used to install various LiftMaster® and Chamberlain® Belt Drive
Garage Door Openers. Check the manual for specific rail kit information
before ordering to ensure compatibility.
Also known as: G2778, MR2778BD, 2778PL, 012381227785, 2778BDC, MR2778BDC
