1 1/8 X 1-1/2 Solid Wall Insulation
1 3/8 X 1-1/2 Solid Wall Insulation
7/8 X 1-1/2 Soild Wall Insulation
1 5/8 X 1-1/2 Soild Wall Insulation
3 1/8 X 1-1/2 Solid Wall Insulation
2 1/8 X 1-1/2 Solid Wall Insulation
2 5/8 X 1-1/2 Solid Wall Insulation