Imperial R4.2 25 ft. L X 4 in. D Silver Poly Duct 6-40-405-01 Deckbox Size: Large (101+ gallons)

Deckbox Size: Large (101+ gallons)

Style: Letter T

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

weather conditions or crowds while commuting

Imperial R4.2 25 ft. L X 4 in. D Silver Poly Duct 6-40-405-01 Deckbox Size: Large (101+ gallons)This 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