ABS Square Fixed Blade Air Vent Cover Wall Vent Grille fitting Round Rectangular Duct

Product Name: ABS Square Fixed Blade Air Vent Cover Wall Vent Grille fitting Round Rectangular Duct Specification: 1.Product Name: Fixed Blade Air Vent Cover 2.Item No. WV 3.Material ABS 4.Color White, Black, Brown or Customized 5.Specification 4"(100mm) 6.Function Exchange indoor and outdoor air, fitting round duct or rectangular duct 7.Brand Deflecto or OEM Related Product: Aluminum Foil Flexible Duct Plastic Air Register Plastic Air Vent Diffuser for Ceiling Plastic Louver