PRODUCT DIMENSIONS - The size of this wall & ceiling register is 4 inch x 12 inch. To determine size needed, measure air duct opening rather than old register. The overall size of the faceplate is 5.25 inch x 13.5 inch. They feature a premium finish that resists rust and corrosion & ensure long-last. STEEL DAMPER ATTACHED - These vent covers for home wall and ceiling and have sturdy steel construction, powder-coated steel damper attached for durability, longevity, are smooth, shiny, and have no sharp edges. These air vents are crafted for long trouble free operation, rigid extra heavy duty EXCELLENT AIR FLOW - The metal dampers in these air vent covers provide easy unrestricted air flow as compared to the ones with fragile plastic dampers. The metal lever of these heat register covers have sufficient resistance to keep the fins in position allowing you to direct the air flow as required. These modern floor vents are crafted from 2mm thick steel, have very high quality lacquer coating to prevent any chipping of colour. EASY INSTALLATION - Simply remove the old register vent cover and place the new one in the standard duct opening and screw them. To determine size needed, measure air duct opening rather than old register. These vents are suitable for ceiling or wall applications only. Screws and a screw driver are required to install these wall / ceiling register covers MONEY BACK WARRANTY: It's easy to maintain – simply remove the register before cleaning your floor and wipe the surface dust and stains with a dry cloth. Enjoy 30-DAY MONEY-BACK GUARANTEE for any reason. Feel free to reach out to us in case of any query. The air register covers are very carefully first shrink wrapped, then bubble packed, and finally backed with cardboard to prevent any damage during transit. Empire Registers are premium decorative rust proof wall registers to be used in your homes. These register covers can be used in office area, in bedroom, in bathroom, in kitchen, in living room etc. There are screws required to install these. They are well packaged in individual boxes. They give a modern look to your house. They are strong and durable. These will surely improve the over-all look of your homes.