Duct Seal Compound
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Arlington DSC1 - 1 Lb. Duct Seal Compound - Non-drying - Non-Toxic Permanently Soft
Duct seal compound. asbestos free, non-drying, non-toxic permanently soft. 1lb Learn More...$6.05 -
Ideal Industries 31-601 - Duct Seal, 1 lb. Block
Moisture and air barrier - Seals around junction boxes, flashings and service entrances - Permanently soft, non-toxic compound can be painted immediately after application - Won't adversely affect other plastic materials or corrode metals
Learn More...$3.80