Chamberlain 1/2Hp Chain Drive Opener Tapes & Dispensers High speed blasting along the

High speed blasting along the cutting edge strengthens the blade to reduce breaks and increase durability

25 inch in diameter by 3

5 or 8 hours

no replacement ballast or installation of led driver or removal of old ballast required

indoor/outdoor & outdoor carpet: v-notch

Chamberlain 1/2Hp Chain Drive Opener Tapes & Dispensers High speed blasting along theDrive Type: Long lasting chain drive. Trusted security: Security+ 2. 0 technology provides unmatched encryption (100 billion codes). BILT intelligent instructions: 3D instructions for a quick, easy installation. Lifting Force 1 2HP Support standard aluminum doors with a lift force equivalent to 1 2 HP*. Durable Chain Count on long term reliability with the durable chain drive system.