Liftmaster 3950 Opener

Item #: 604000

Product Details:

The liftmaster 3950 is recommended for model 944 or 955 doors. Works with right or left side mounting. Includes wired wall switch, sprockets and chain needed for use with 944 doors. Order shaft extension kit part 604035 for use with 955 doors. Not recommended for doors under 9' wide x 7' tall.