Central Vacuum Systems
Mechanical Ventilation Systems
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Available in 3 sizes: Square Galvanised Metal Plenum box for ducting termination to house exterior. Suitable for external louvre grill connections. 200 x 200 - Spigot size 150mm. 250 x 250 - Spigot size 200mm 300 x 300 - Spigot size 250mm.
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