An effective way to protect martins from large owls and hawks, while still allowing good martin house management.
The guard pivots completely down out of the way to allow landlords access for monitoring. An improved, re-engineered design, the OGPMC can be installed on assembled houses, or added during assembly.
Fits Trio Castle (PMC24) houses only. Instructions and hardware for mounting included. Each OGPMC will protect an entire PMC24 house.
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