Simon Vent-A-Matic Aperture Adaptor Up To 200mm

Designed to allow fitting of any standard ventilator into holes up to 200mm. For use with Models: 105/106/C106S/DGS106/RXL/JG/PBS/DGS-PBS/DGS-JG. For fitting ventilator into an existing hole up to 200mm.

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