American Metal Products 4 in. Oval Firestop

Add the reliable strength of galvanized steel to your HVAC system with this 4 in. Oval Firestop. This firestop is protected by a 1-year manufacturer warranty for your convenience. Pioneer in the development and simplification of effective venting products. Amerivent components are crafted for today's building and appliance requirements.

• Constructed from galvanized steel for enhanced durability
• Type-b-gas vent for category 1-appliances with draft hoods
• Firestop spacer centers vent and stops fire at ceiling