HNB Trade Seal 42–55mm
A mid-size flexible sealing flange suited for medium-diameter pipework. Both the collar and base are made from flexible materials to adapt to curved or uneven surfaces while providing a reliable barrier against external contaminants.
-
For 42–55mm ducting or pipe
-
Full-flex design for surface conformity
-
Protects against water, dust, and drafts
-
Easy to install, ideal for HVAC and electrical penetrations