18" X 25' Silver Jacket Flex Duct, R8
14 Available At All US Supply Locations

The JP Lamborn MHP25R8B-18 is a high-performance flexible air duct engineered for professional HVAC applications. Designed to meet rigorous mechanical and environmental standards, this R8 insulated duct ensures optimal airflow efficiency, thermal control, and installation versatility across residential and light commercial systems. Manufactured with a durable silver vapor barrier jacket, the MHP25R8B-18 provides consistent, reliable performance under demanding jobsite conditions.
Details
- Model: MHP25R8B-18
- Manufacturer: JP Lamborn
- Type: R8 Flexible Insulated Air Duct
- Jacket: Silver Vapor Barrier
- Diameter: 18 inches (Inside Diameter)
- Length: 25 feet
- Air Velocity Rating: 5000 FPM (feet per minute)
- Temperature Range: -20°F to 140°F (-29°C to 60°C)
- Construction: Reinforced aluminum/polyester inner core with fiberglass insulation and heavy-duty outer jacket
- Compliance: UL 181, NFPA 90A/B, and ASTM E84 standards
- Applications: Supply and return air systems in residential and light commercial installations
Summary
The MHP25R8B-18 by JP Lamborn is a contractor-grade flexible duct engineered for dependable airflow, insulation integrity, and thermal efficiency. It meets professional installation standards and performance requirements for HVAC systems requiring R8 insulation and a durable silver-jacketed configuration.
Specifications
| Weight | 45.000000 |
|---|---|
| Length (inches) | 34 |
| Width (inches) | 22-1/2 |
| Height (inches) | 22-1/2 |
| Item Type | Flex Duct |
| Brand | JPL Flex |
| Inclusions/Features | Done |
| Insulation Value | R8 |
| Manufacturer | JP Lamborn Company |
| MPN | MHP25R8B-18 |
| Sub Type | Flexible Air Duct |
| Warranty | 10 Years |
| Color | Silver |
| Material | Polyester |
| Overall Width | 22-1/2 in |
| Pressure Rating | 4 in WG |
| Size | 18 in x 25 ft |
| Application | Indoor |
| Item Returns | This item can be returned |
