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Automatic Drop Down Seals(4 WAY-Best Design)
- Length L-105CM
- Drop down automatically when closing the door
- Isolate smokes, dust, insects, noise,energy save.
- Same DDS-105 could be installed for hinge or sliding door.
- Same DDS-105 could be installed by concealed or exposed.
- 30cm tolerance for door width from 75cm to 105cm.
- Minimum length for DDS-105 would be 75cm after cutting.
- Automatic drop range adjustable slightly and easier
- Optional: Fire rated (customize).