Vent Systems Door Air Register Two Sided Door Louvers

Prevents door slamming from the HVAC running. Significantly improves air circulation between rooms. Air passes right through the vents keeping everything in better balance when doors are closed Outside dimensions: 18.1 x 5.3 Inches; Opening dimensions: 17.3 x 4.7 Inches. Minimum door thickness: 1.4 Inches. Easy to install, takes about 10 minutes. Screws are included Material: Plastic; Many colors available in our seller profile to match your design. Fits together nicely HOW TO INSTALL: Measure and draw lines on the door, just drill 4 holes in corners and use a jigsaw to cut the 4 lines, pop in the vents and screw them together VENT SYSTEMS is a company with a long tradition and experience. All products undergo thorough quality control.