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

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 24" or 24" x 6" duct opening (measured at the opening)

+ Product Details Size – 24" x 30" or 30" x 24" is the size for the duct opening measurement only

85" width X 9

Actual Filter Size – 25 3/4"w x 29 3/4" x 1"

4" Diameter - 90° Degree Adjustable Elbow - 4 PACK d + 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