For realtors, roofers, and other building related businesses that may be new to Critter Quitters, Critter Quitters are ideal for repairing damaged plumbing vents prior to an inspection or repairing them after failing an inspection. Far faster and less expensive than a roofer, and they ship the next day Mon-Fri. You can order them at Homedepot.com or Amazon. We also have several retail outlets in the Orlando area. If you go to Critterquitter.com we have installation videos that show how to measure, cut, and install, plus an interview with the inventor. Check it out. Why wait to replace a damaged vent when you can repair it yourself.