36" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Custom Louvers Actual Filter Size – 15 4" Round Duct Pipe Product Details Size The SHEASC10W1-HP

Actual Filter Size – 15 3/4"w x 21 3/4" x 1"

you have the freedom to effortlessly cut and flare according to your project's unique requirements

+ Product Details Size - 25"w X 8"h is the size for the duct opening measurement only

drain hose 5m - one end is 18mm

Adjustable minimum speed via internal trimpot

36" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIRFLOW LINEAR BAR GRILLES Custom Louvers Actual Filter Size – 15 4" Round Duct Pipe Product Details Size The SHEASC10W1 HP Actual Filter Size – 15 3 4"w x 21 3 4" x 1" you have the freedom to effortlessly cut and flare according to your project's unique requirements