Imperial R4.2 25 ft. L X 4 in. D Silver Poly Duct 6-40-405-01 Adjusts to fit metal wall

Adjusts to fit metal wall registers from 10-16 inches wide

Deckbox Size: Large (101+ gallons)

Style: Letter T

It is ready to use in just 6 seconds and features a fingertip trigger with a heat-output selector

Common uses include repairing and sealing sheds

Imperial R4.2 25 ft. L X 4 in. D Silver Poly Duct 6-40-405-01 Adjusts to fit metal wallThis Imperial Duct Insulation Sleeve works as an energy efficient insulation blanket suitable for heating, ventilation, and air conditioning systems. Specifically designed to insulate rigid or semi rigid round ducts, it is an excellent method for reducing Brand Name: Imperial Sub Brand: R4. 2 Length: 25 ft. Diameter: 4 in. Color: Silver Material: Poly Product Type: Duct Number of Pieces: 1 pc