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$56.00$112.00
Sound Rating of Ducted Air Moving and Conditioning Equipment..
$15.00 $30.00
Remote Mechanical-Draft Evaporative Refrigerant Condensers..
$10.00 $20.00
Unit Ventilators..
$13.00 $25.00
Specification for Fluorocarbon Refrigerants with Addendum 1 (AHRI)..