M-D Polar Block Clear 3-Window Indoor Insulation Kit 04440
Shrink and seal indoor window kit is installed around entire window to eliminate cold air drafts and frost build-up. Crystal clear film that is easy to install with a hair dryer that shrinks tight and wrinkle free. Creates dead air space to increase insulating R-Value up to 90 percent.
- Width: 42 in.
- Length: 62 in.
- Thickness: 0.75 mil