5" Diameter - 90° Degree Adjustable Elbow - 4 PACK Drop Ceilings / Aluminum this solid-base guard ensures long-lasting

this solid-base guard ensures long-lasting performance with minimal hassle

+ Product Details Size - 20"w X 18"h X 2"d (for duct opening measurement only)

Built-in tumbler lock and key is provided

+ Product Details Size - 36"w X 16"h X 2"d (for duct opening measurement only)

+ Product Details Size – 14" x 22" or 22" x 14" is the size for the duct opening measurement only

5" Diameter - 90° Degree Adjustable Elbow - 4 PACK Drop Ceilings / Aluminum this solid-base guard ensures long-lasting+ Product Details Size 5" 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