by SuperCool Slide Rule is ranked 15th in rulers based on our comprehensive analysis.
Reviewed by more than 488 consumers, more than 93% of the reviews about this SuperCool Slide Rule Charging & Duct sizing ruler had positive sentiment, meaning that these customers would probably advise purchasing this product when asked about a recommended ruler.
$19.99 (as of 18/03/2023 18:04 PDT details )Features:
- 1 Training tool used by Colleges, Universities and Training Centers
- SuperHeat amp SubCooling charging of both R410a and R22
- Duct Calculator that calculates CFM of Metal and Flex Duct
- Access to approximately 100 free tutorials by scanning the QR code on the tool
- Pressure Drop and Sizing for , Rectangular Metal, Round Metal, AND Round Vinyl Flex
- SuperHeat SubCooling charging of both R410a and R22