Duct Insulation

Atco 10 4" x 5' Duct Sleeve with R-8.0 Fiberglass Insulation and Silver Polyester Jacket

Air Pipe Fittings

Southwark 5854 5" x 4" 26 Gauge Three Piece Smoke Pipe Increaser / Reducer

Southwark 5864 6" x 4" 26 Gauge Three Piece Smoke Pipe Increaser / Reducer

Southwark 5865 6" x 5" 26 Gauge Three Piece Smoke Pipe Increaser / Reducer

Southwark 90426 4" 26 Gauge Smoke Pipe 90 Degree Elbow

Southwark 90430 Adjustable Elbow, 4 in, 90 deg, 30 ga

Round Air Pipes

Southwark SL24426 4" x 24" 26 Gauge Smoke Pipe

Southwark MF4 4" x 8' Long Flexible Aluminum Duct

Southwark SL60430 4" x 60" 30 Gauge Warm Air Pipe

Southwark SL60-6-30 6 inch x 60 inch Long 30 Gauge Warm Air Pipe

Southwark SL60426 4" x 60" 26 Gauge Smoke Pipe

General

Southwark 396 6" 26 Gauge Galvanized Vent Hood with Flapper