Provides extra protection by doubling the depth of the entrance hole. Makes it more diffcult for predators to get to the eggs or squirrels to enlarge the hole.

 

Holes available in sizes up to 3" in diameter. Specify size needed when ordering.

Quantity:   Size 1" 1-1/8" 1-1/4" 1-1/2" 1-9/16" 2-1/4" 2-1/2" 3"