American Metal Gas Vent Storm Collar Size:6" and keyway cover protects against

and keyway cover protects against snow

bright finish

limit treatments (including spot treatments) to 2 per year

fast-acting combination of ingredients that can be used for lawns

Do not apply this product via backpack sprayer

American Metal Gas Vent Storm Collar Size:6" and keyway cover protects againstDouble Wall Construction Double wall metal construction provides protection for health and safety, as well as benefits of economy, ease of installation, efficiency, and protection from property damage. Designers of vent systems should take particular note of the fact that vents constructed of brick, cement, asbestos, and mass insulated metal require lengthy warm up periods, whereas double wall metal vents reach operating temperatures almost instantly