Builder's Best 4" x 50' Vinyl Hose Standard Duct Tubing for Bathroom Fans, White
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The Builder's Best Wire Helix Poly Vinyl Hose Standard Duct Tubing is engineered for dependable performance and durability, making it an ideal solution for bathroom fan ventilation needs. Constructed with a high-tensile steel wire helix, this duct features a 1" pitch that is permanently heat-sealed between layers of tough polyvinyl chloride (PVC) film. This rugged build not only adds structural integrity but also ensures a long-lasting, reliable airflow channel. The white finish blends cleanly into most settings, and the flexible yet reinforced design offers a bend radius of just one diameter, making installation easy even in tight spaces.
Designed to handle air velocities of up to 2,000 feet per minute (FPM), this duct tubing supports a recommended maximum positive pressure of 1" w.g. and a maximum negative pressure of 1/2" w.g. across all diameters. It is suitable for continuous operating temperatures ranging from -20°F to 100°F, and can intermittently withstand up to 120°F. This temperature tolerance makes it reliable for various residential bathroom fan setups, even in environments with variable heat and humidity.
Please note: this product is not approved for dryer venting. Both the International Mechanical Code (IMC 504.6.1 & 504.8-3) and major appliance manufacturers require rigid or flexible metal ducts for dryer exhaust systems. Plastic or metal foil ducts, such as this polyvinyl hose, are not compliant with these safety standards.
For professional-grade performance in bathroom fan ventilation, trust the Builder's Best Wire Helix Poly Vinyl Hose Standard Duct Tubing to deliver efficient airflow with durability built in.
- Features high-tensile steel wire with 1" pitch, heat-sealed between PVC layers for long-lasting strength and flexibility
- Offers a tight bend radius of one diameter, making it ideal for confined spaces during bathroom fan vent installations
- Supports up to 2,000 FPM air velocity with max pressure ratings of 1" w.g. positive and 1/2" w.g. negative for reliable airflow
- Operates continuously from -20°F to 100°F and up to 120°F intermittently, suitable for a range of bathroom environments
- Not approved for dryers; IMC and manufacturers require rigid or flexible metal ducts for safe and code-compliant dryer exhaust
- Material: PVC
- Color: White
- Dimensions (L x W x H): 23.75 x 4.50 x 4.50 inches
- Weight: 3.72 pounds
