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The Passyfier 230 Extension Sleeve fits onto the Passyfier 230 Vents and allows for an additional 112mm of wall thickness.
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The Passyfier 230 Extension Sleeve fits onto Passyfier 230 Ventilation Kits. Each sleeve allows for an additional 112mm of wall thickness.
A standard Passyfier 230 Wall Kit offers 340mm (13.25") of wall thickness; One additional Sleeve offers 450mm (18") of wall thickness in total; Two additional sleeves offer 560mm (22.5") of wall thickness in total; Three additional sleeves offer 670mm (26.5") in total etc...
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