20" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES #REF! and conventional air conditioning system

and conventional air conditioning system line sets – Used in for any application whether home or commercial

Premium Quality – We can proudly say our Galvanized Duct Elbow is made of high-quality galvanized sheet metal with crimped ends (snap-lock design) for easy fitting and secure connection

our duct pipes offer a secure and hassle-free connection to consecutive duct joints

Actual Filter Size – 31 3/4"w x 5 3/4" x 1"

+ Product Details Size - 20"w X 36"h is the size for the duct opening measurement only

20" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES #REF! and conventional air conditioning system+ Product Details Size 20"w X 6"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 8. 5"h] Actual Filter Size 19 3 4"w x 5 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,