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The Dalap RVAS inspection coupling is designed to facilitate access to air distribution systems, especially for cleaning and maintenance. It is a combination of an inspection hatch and a metal duct coupling with a rubber seal. You no longer have to cut a hole in the spiro duct for the inspection door. The installation of this coupling is much simpler - just insert it between the two ends of the metal spiro duct, or it can be connected to individual components (e.g. branches or elbows ) using an external coupling. We recommend placing this service coupling in an easily accessible part of the air duct.
- 2 in 1 - combination inspection door and internal coupling with sealing rubber
- easy inspection, maintenance and cleaning of the air distribution system
- SPIRO COMFORTCLICK sealing system - just insert into the duct or external coupling
- made of galvanized sheet metal with high temperature resistance up to +80 °C
- fully compatible with a metal ventilation system
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