Light weight and durable the gilbertson pvc bluebird box is designed to fit any 1 2 inch pole.
Gilbertson pvc box.
To open the box the monitor squeezes the box at its top until it comes free from the pins.
Removable body allows monitoring and maintenance.
Just slightly squeeze the pvc tube in the front and back at the same time and it releases.
This attractive birch look pvc nest box is also predator resistant and lightweight.
Now with optional poly lumber matching roof.
Just squeeze the top opposite pins.
Well designed with a premium cedar roof and recessed floor the gilbertson bluebird nest box resists moisture and meets all our specs for proper ventilation and drainage.
Pvc will not rot split or crack nest box will host many successful broods with its great features.
Slightly squeeze it again and it snaps back to the 100 7 8 inch cedar roof.
Most sparrow resistant design available.
Two small holes opposite each other at the top of the pvc box fit over two pins attached to the wooden roof.
By backyard bird lover.
The gilbertson nest box is approved by the north american bluebird society.
They have exceeded our every expectation and in the 8 boxes we have set up this year every one hosted at least one family of either tree swallows.
Preferred by blues over the years cool birdhouse mounts quickly and easily on 1 2 inch conduit.