2 Rolls Aluminum Foil Tape 3" X 360ft Adhesive Hvac Sealing Air Duct

3” width is ideal for most repairs and sealing outdoor & indoor, 4 mil foil thickness is more stable during application. Aluminum Foil stays high stability and strength for long life support, great efficiency on cooling and heating with operational continuous temperature range from -35ºF to 260ºF.