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CALCULATORS/SLIDE RULES

CALCULATORS/SLIDE RULES

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  1. SuperCool Slide Rule Duct Calculator Flex Metal Ductulator Chart
    SuperCool Slide Rule Duct Calculator Flex Metal Ductulator Chart
    Special Price $17.95 Regular Price $19.95
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  2. PURON® SUB COOLING CALCULATOR R 22
    PURON® SUB COOLING CALCULATOR R 22
    Special Price $11.65 Regular Price $12.95
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