This is a recommendation for our larger unit at Home Depot.com. If you wish to see it along with the 13 other recommendations for our small unit go to Home Depot.com and search for Critter Quitter.

Squirrels were eating holes in my lead covered plumbing vent. The Critter Quitter was a great, economical and permanent solution.
Pros: Easy to Install, Easy to Work With, Economical, Good Shape, Good Size & Weight, Great Value, High Quality, Light Weight, Performs Well, Reliable, Seals Well