20x Air Brick 9x3" 215x66x58mm Buff/Sand B/S Interlocking MFABBS Rytons Multifix

Use with Rytons Periscope® Underfloor Ventilator PUFV and AirLiner® cavity liners 9×3, 9×6 and 9×9. 9"x3" (215x66x58mm). Robust interlocking air brick. Textured finish maintains aesthetic appearance.

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