12" Diameter - 90° Degree Adjustable Elbow - 1 PACK w30h30 + Product Details Size –

+ Product Details Size – 24" x 36" or 36" x 24" is the size for the duct opening measurement only

+ Product Details Size - 10"w X 16"h X 2"d (for duct opening measurement only)

+ Product Details Size - 25"w X 26"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 30 5/8" width X 32 5/8" height

Actual Filter Size – 33 3/4"w x 5 3/4" x 1"

12" Diameter - 90° Degree Adjustable Elbow - 1 PACK w30h30 + Product Details Size –+ Product Details Size 12" 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