10 Pack of Handua Plastic Key - Handle for Butterfly Damper

20 x 14 White Steel Return Air Grille HVAC Vent Cover Grill for Wall, Sidewall and Ceiling, Air Return Vent Covers, Outside Dimensions: 21.75"W x 15.75"H

4inch 304 Stainless Steel Air Vents Cover, piiyoosnn Louvered Grille Cover Vent Flat Ducting Air Vent Wall Inlet with Built-in a Fly Screen Mesh for HVAC Ventilation

Mytee Products (4 Pack) Shipping Container Air Vent, Cross Flow Ventilation - Light Grey

FGBB Stainless Steel Air Vents, Louvered Grille Cover Vent Hood Flat Ducting Ventilation Air Vent Wall Air Outlet with Fly Screen Mesh for House (3inch)

4X10, TRM Metal Products Air Vent - Drop in, Textured Black, Made in CANADA (Pack of 2)

Efforest Floor Vent Covers 4"x12" Magnetic - 6 Pack Air Vent Filters Mesh Screen Dust Filter Vent Register Deflectors for Home HVAC AC Grilles & RV Vents - Strong Hold Washable

TOOL TIME C150MB06X10 Steel Floor Register Brown - 6 x 10 in.

Sierra Grates 4" x 10" Floral Floor Register in Granite Grey Finish, Case of 5 - Vent Covers for Home Floor- Decorative Air Vent Covers- Floor Register 4” x 10” (Duct Opening) 5 Pcs

4X10 - Classic - Drop In Air Register Vents - 1 Pack