12 x 25 Insulated Flexible Duct R4

Price: $101.00 per pcs

Availability: Ships within 3-7 business days; some items may take longer

Description

A 12" x 25' run of R4 insulated flexible duct, the largest of the common sizes. At 12" it is carrying trunk-level airflow, close to the air handler rather than out at the registers. Keep flexible duct of this size short, straight and pulled taut — a large flex run that sags or kinks restricts far more air than the same fault in a small branch.