Comparison : |
Item # 1403, 4 Inch (in) Size of Tube/Sleeve Zone Control Damper Tube with Power-Open/Power-Close Motor Item # 1404, 5 Inch (in) Size of Tube/Sleeve Zone Control Damper Tube with Power-Open/Power-Close Motor Item # 1405, 6 Inch (in) Size of Tube/Sleeve Zone Control Damper Tube with Power-Open/Power-Close Motor Item # 1406, 7 Inch (in) Size of Tube/Sleeve Zone Control Damper Tube with Power-Open/Power-Close Motor Item # 1407a, 8 Inch (in) Size of Tube/Sleeve Zone Control Damper Tube with Power-Open/Power-Close Motor
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