1/4" T Shaped End Garage Door Bottom Weather Seal - 3 3/8" Width Liftmaster 811LM (Security+ 2

811LM (Security+ 2

and length on your TorqueMaster spring tube

so there is not one specific type that works with each model

and can upgrade LiftMaster Security+ garage door openers manufactured since 1998 to the new Security+ 2

1/4" T Shaped End Garage Door Bottom Weather Seal - 3 3/8" Width Liftmaster 811LM (Security+ 2Premium Vinyl Garage Door Bottom Weather Stripping 1 4" T Shaped 3 3 8" Wide This 3 3 8" wide Garage Door Bottom Weather Stripping with 1 4" T shaped ends fits standard bottom retainers. It is a long wearing flexible PVC seal that is easily installed. This weatherstrip has the single T shaped ends that slide into your metal retainer to form a U shape when installed. Please look at the pictures to compare it to yours. Select the width of your door