Troyer's Vented Gourd Replacement Caps, Pack of 4 supergourd cap A wealth of ultraviolet inhibitors

A wealth of ultraviolet inhibitors in these hardy plastic pieces ensures strength and durability

place the perch base assembly over the existing pole top cap

or just a few for use with a different bird house or feeder

5” wide for a sizable home

transforming it into a 2

Troyer's Vented Gourd Replacement Caps, Pack of 4 supergourd cap A wealth of ultraviolet inhibitorsHelp regulate the temperature in your existing Troyer's SuperGourds with these Troyer's Vented Gourd Replacement Caps. Using these 4 durable, threaded plastic caps on your existing purple martin SuperGourds (not included) throughout the summer is a unique new way to keep the nestlings cool. A PVC elbow in the center of each plastic cap angles downward, directing hot air out of the cavity. Heavy duty polyethylene with ultraviolet inhibitors ensure