Laminated Pressure Relief Formulas for Central Returns
Product Code: HEY-FORM2
Price: $6.00
Description
A laminated sheet with provides pressure relief solutions for homes that have central returns. This item ships via USPS First Class Mail for the fixed rate of $3.00. Please provide a ship to address that is recognized by the USPS. If you need to change this method, just call 866-389-8578 to place your order!
Features
- How big should a jumper duct be? How much should a bedroom door be undercut? This sheet provides all the formulas you need to meet the code pressures.