2 Pack - 6" Diameter 90 Degree Adjustable Elbow - 30 Gauge Galvanized - Crimped End Connection Top Ceiling Box high-impact plastic to provide reliable

high-impact plastic to provide reliable and long-lasting protection for your thermostat

Pressure Rating: 2100 to 7000 PSI

These are built heavy duty for installation into brick and cement walls

"Opposing" back blades

2 Pack - 6" Diameter 90 Degree Adjustable Elbow - 30 Gauge Galvanized - Crimped End Connection Top Ceiling Box high-impact plastic to provide reliable+ Product Details Size 6" round duct sheet metal elbow 30 gauge galvanized crimped end connection adjustable from 5 90 Premium Quality Made of galvanized metal to prevent corrosion, oxidation & rust from water & moisture that lasts longer requiring less maintenance Save money with this energy efficient material, maximizes airrflow and reduces fire hazards. Applications 30 Gauge thick & made of thick & durable galvanized sheet metal used for HVAC