4" X 12" Modern Floor Register Grille with Dampers - Contempo Slotted Grate - HVAC Vent Duct Cover - Antique Brass mobile home rv Actual Filter Size – 9

Actual Filter Size – 9 3/4"w x 21 3/4" x 1"

Design – Circular return valves - designed to be used in low and medium pressure ventilation air conditioning systems

actual front end outer dimensions are approximately 28 5/8" width X 14 5/8" height

The 1/2" black insulation

Monitor the pump for any unusual noises or vibrations

4" X 12" Modern Floor Register Grille with Dampers - Contempo Slotted Grate - HVAC Vent Duct Cover - Antique Brass mobile home rv Actual Filter Size – 9+Product Details Size 4"h x 12"w is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 5" width x 13. 5" height. High Quality Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control. Installation Location Floor. Design Premium plated finish and modern contempo design forming a luxurious & impressive piece for your home. Quality Packaging