20" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Fixed Blades with Damper Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 11

with actual outer dimensions of 16

PREMIUM QUALITY - Our solid dryer vent pipe is made of high-quality 26-gauge galvanized sheet metal with crimped ends (snap-lock design) for easy fitting and secure connection

Looks like it was just waxed

also referred to as T-Bar or Lay-in system

20" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Fixed Blades with Damper Actual Front End Outer Dimensions+ Product Details Size 20"w X 10"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 12. 5"h] Actual Filter Size 19 3 4"w x 9 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,