Description:

The 18″ Double Wall Zero Clearance Grease Duct Kit with 50 feet of straight ducting, four 90° elbows, and dual 12″ transition connections is a complete, high-capacity solution for commercial kitchen exhaust systems in tight or restricted spaces. Built with factory-installed insulation, this system achieves zero clearance to combustibles, eliminating the need for bulky fire wrap and ensuring safe, compact installations.

Ideal for complex duct routing, the included four 90° elbows allow for efficient directional changes, while no-weld hood and fan adapters enable fast, fire-rated, and NFPA 96–compliant connections—saving significant time on site.

Kit Includes:

• 18″ Diameter, Double Wall Grease Duct – 50′ Straight

• (4) 90° Elbows

• (2) 12″ Hood & Fan Transition Connections

• No-Weld Hood Adapter (Start)

• No-Weld Fan Adapter (End)

Key Features:

• Zero clearance to combustibles – factory-insulated for compact installs

• Double wall construction – no external fire wrap required

• No-weld mechanical joints – quick, secure, and code-compliant

• Material: High-temp, grease- and corrosion-resistant steel

• Standards: NFPA 96, UL 2221, ASTM E2336 certified

• Ideal for:

  • Restaurants & hotel kitchens

  • Food service facilities

  • Large-scale or multi-hood exhaust systems

  • Tight chases or limited-space duct runs requiring multiple elbows