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Stadium Ventilation Products
Ventilation

Ventilation - Core Drill Ventilators

Ventilation Products
Our entire line of core drill ventilators are available below. To learn more about a specific ventilator please use the "click here for details" to the right side of each product. If you have any other questions regarding our core drill ventilators please call us at the telephone number listed in the upper right of this page or e-mail us and our Customer Service Department will be happy to assist you.
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BM401/W 82mm (3.25") Core Drill Ventilator
BM401/W - brown internal, white external
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for Details
BM414, 414/W 82mm (3.25") Core Drill Ventilator
BM414/B - brown external grille, white internal grille
BM414/W - white external grille, white internal grille
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for Details
BM417/W 100mm (4") Core Drill Ventilator
BM417/W - white external, white internal
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for Details
BM415/CA/B, CA/W 127mm (5") Core Drill Ventilator
BM415/CA/B - brown cowl, white internal
BM415/CA/W - white cowl, white internal

Includes Anti-Draught Cowl
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for Details
BM415/B, 415/W 127mm (5") Core Drill Ventilator
BM415/B - brown external, white internal
BM415/W - white external, white internal
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for Details
BM725/B, 725/W, 725/T Core Drill 'Black Hole®' Ventilator & Extension
BM725/B - brown cowl, white internal grille
BM725/W - white cowl and internal grille
BM725/T - terra-cotta cowl, white internal grille
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for Details
BM418 Core Drill 'Black Hole® Vario' Ventilator
BM418/B - brown cowl, white internal grille w/baffle
BM418/W - white cowl, white internal grille w/baffle
BM418/T - terra-cotta cowl, white internal grille w/baffle
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for Details
BM418/HR/B and BM418/HR/W Core Drill 'Black Hole® Vario' Ventilator
BM418/HR/B - brown external cowl, white internal grille
BM418/HR/W - white external cowl, white internal grille

A special version for use in high rise buildings.
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for Details
BM416 127mm (5") Core Drill Ventilator
BM416 - brass internal grille polished and lacquered
brown aluminium exterior grille
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for Details
BM436 152mm (6") Core Drill Ventilator
BM436 - Brown aluminium external grille and white
aluminium internal grille
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for Details
B 419/B, 419/W, 419/T External Cowl Assembly
BM419/B - brown
BM419/W - white
BM419/T - terra-cotta
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for Details
BM419/HR/B, 419/HR/W Outer Cowl
BM419/HR/B - brown
BM419/HR/W - white
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for Details
BM421/W Internal Grille Assembly
BM421/W
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for Details
BM339/B, 339 Metal Louvre Ventilator
BM339/B - brown
BM339 - brass
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for Details
BM810, BM801 Rigid Long Extension Tube
BM810 - 127mm (5") dia, 1 metre long
BM801 - 152mm (6") dia, 610mm long

Both made from black plastic.
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for Details
BM811/W Extension Tube for Use with BM417
BM811/W
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for Details
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