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| Dynasonics
is dedicated to providing the commercial
and industrial noise control markets
with reliable products. The testing
Laboratory is accredited by the National
Voluntary Laboratory Accreditation
Program. Square, round and customized
elbow type attenuation.
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| Air Balance
manufactures louvers and dampers,
with special emphasis on fire dampers.
ABI revolutionized fire dampers by
inventing the curtain Blade Fire Damper,
which is still the industry standard.ch
is still the industry standard.
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Pottorff manufacturers UL rated Fire
Dampers, Smoke Dampers and ceiling
radiation dampers. They also provide
a triple V blade fire damper in opposed
blade or parallel configurations.
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| Neptronics
provides state of the art Humidifiers.
They are offered in gas, electric
or steam fired.
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