Product description:
- anodized aluminum profile with a frosted or opal cover (sold separately)
- 1m or 2m lengths available (3m and 5m sections available on special orders)
- profile assembly with simple steel handles (accessories sold separately)
- ending the profile with a simple plastic or aluminum plug (accessories sold separately)
- dimension: 19,7x18,4mm 

LT216239910*BD20^* - ALU PROFIL BD20 anod.
LT216239930*BWSO^* - OPAL COVER FOR CD, BD
LT216239937*BWSN^* - FROSTED COVER FOR CD, BD
LT62399603ZAS2XCD20PP - 2pcs PLASTIC END CAP + 4pcs SCREWS
LT62398613ZAS2XCD20PA - 2pcs ALU END CAPS + 4pcs SCREWS
LT2150990090BDCD - 2pcs METAL MOUNTING BRACKET + 2pcs SCREWS
LT2150990190BDCDHRF - 2pcs METAL MOUNTING BRACKET HRF + 2pcs SCREWS

Please replace the * in the item number with the required length.
As a rule, both aluminum profiles and plastic diffusers have a positive length tolerance and can, therefore, deviate from each other by some millimeters.
Please consider linear extension with temperature variations.