4" Diameter - 90° Degree Adjustable Elbow - 4 PACK Mounting Bracket + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 32" OR 32" x 20" duct opening (measured at the opening)

25" Plenum Size 20x20 Filter Size to be used: 20x20x1

+ Product Description Maximize your home’s airflow with this premium Air Supply Grille air supply grille

+ Product Details Size - 32"w X 28"h X 2"d (for duct opening measurement only)

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4" Diameter - 90° Degree Adjustable Elbow - 4 PACK Mounting Bracket + Product Details Perfect Fit+ Product Details Size 4" 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