The edge of the fabric with a welded-in zipper - allows 100% tight integration of the material with the guide.
The possibility of increasing the mass of the sinker (5,66 kg / m) - especially important in the case of narrow blinds, for better fabric tension and smooth operation of the shutter.
Cassette design - enables front or bottom inspection and eliminates hanging of the bottom inspection hatch.
Guide: with an internal PVC strip and a dedicated space for storing excess motor cable used during the inspection