![What is this second hole that is connected to dryer vent? The open one and the one connected to tubing are the same duct and run up to roof vent. No blockage What is this second hole that is connected to dryer vent? The open one and the one connected to tubing are the same duct and run up to roof vent. No blockage](https://preview.redd.it/4yvhjyw3vft21.jpg?auto=webp&s=cffc1e945154523a8a5ef7eb48f61f175fdedd40)
What is this second hole that is connected to dryer vent? The open one and the one connected to tubing are the same duct and run up to roof vent. No blockage
![mice - How to rat proof space around dryer vent hole (inside home)? - Home Improvement Stack Exchange mice - How to rat proof space around dryer vent hole (inside home)? - Home Improvement Stack Exchange](https://i.stack.imgur.com/sHe8f.jpg)
mice - How to rat proof space around dryer vent hole (inside home)? - Home Improvement Stack Exchange
![HELP!!! Connecting a vent hose for a dryer. Dryer hose is too big for hole and I'm out of ideas : r/appliancerepair HELP!!! Connecting a vent hose for a dryer. Dryer hose is too big for hole and I'm out of ideas : r/appliancerepair](https://preview.redd.it/p7sta7z63ek51.jpg?width=640&crop=smart&auto=webp&s=a8d2e4117c2073ed5d711d2cd467b14787d74b0f)