Rectangular Duct End Cap | 14" X 14" End Cap ceiling + Product Details Size & RFGF1212 Rigid Design Noise Free Oval to Round 90-Degree Boot

+ Product Details Size & Compatibilty - The 6" to 3" round metal pipe reducer & increaser 30 gauge is compatible with duct 6" to 3"

you can't go wrong with this decorative grill

actual front end outer dimensions are approximately 23

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 14" or 14" x 6" duct opening (measured at the opening)

actual front end outer dimensions are 25" Width X 13" Height

Rectangular Duct End Cap 14" X 14" End Cap ceiling + Product Details Size & RFGF1212 Rigid Design Noise Free Oval to Round 90 Degree Boot + Product Details Size & Compatibilty The 6" to 3" round metal pipe reducer & increaser 30 gauge is compatible with duct 6" to 3" you can't go wrong with this decorative grill