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PHI Intake
Our penthouses are fabricated from .081 extruded aluminum blades with .125 aluminum interior angle. The roof and sill are .063 aluminum sheet with an insulated roof as standard. Heavy duty construction is available when required.
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PHR Relief
Our penthouses are fabricated from .081 extruded aluminum blades with .125 aluminum interior angle. The roof and sill are .063 aluminum sheet with an insulated roof as standard. Heavy duty construction is available when required.
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