Outside dryer vent issue Appliance Repair Troubleshooting Questions › Category: Clothes Dryers › Outside dryer vent issue 0 Vote Up Vote Down Anonymous asked 8 years ago I need to replace the outside cap over the dryer vent. The pipe is 3.5". Most caps are 4". Suggestions??? Email Name Website Comment Current ye@r * Leave this field empty Your Answer Your Email Your Name Accepted file types: txt, jpg, pdf Add another file