Usage Tips:Quality Material:The 6 inch exhaust vent is made of sturdy and durabl stainless steel, which is rustproof and corrosion-resistant. The metal dryer vent cover offer longer service life. Efficient Protection: Dryer exhaust vent cover comes with an exquisite stainless steel mesh that can prevents nesting of various birds or insect and provides effective room exhaust, ventilation. Easy To Install: Dryer outlet cover is easy to install with standard tools. Simply insert the dryer exhaust vent cover into the pipe and screw it to the wall. Multiple Application: Crawl space vent covers outside are suitable for houses, range hoods, kitchens, offices, garages, sheds, campers, air conditioners, and RVs. It must be a great ideal for indoor exhaust and ventilation. Size Hints: The vent cap is 5.71inch in diameter and fits a 6inch hose of various materials. Please confirm the calibre of the vent pipe before purchase to avoid the size not applicable. Colour:Silver Material:Stainless steel Package Contents: 1 x dryer vent cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.