AA-DUCT009 150mm / 6" Brown External Grille with Non Return gravity flaps
AA-DUCT009 150mm / 6" Brown External Grille with Non Return gravity flaps
- Non-return shutter flaps close automatically when not in use.
- Stops condensation, unpleasant odours, noises, or draughts flowing back through your duct.
- Wipe-clean UV stabilised design for indoor or outdoor use.
- Easy to install & durable.
- Compatible with 150mm round ducting