Heath Purple Martin Gourds, Pack of 12 fire pit cover and the unpainted interior is

and the unpainted interior is safe for birds

The straight

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The frames hold six removable

Heath Purple Martin Gourds, Pack of 12 fire pit cover and the unpainted interior isHelp customers maintain their existing martin colonies or add to established housing by stocking this Pack of 12 Heath Purple Martin Gourds in your store. Package contains 12 classic, molded plastic gourds for purple martins Each gourd has a 2. 25" diameter entrance leading to a 6. 5" square roosting spot Small opening on the base of each gourd offers drainage, while the top loop makes hanging the items simple Units can be added onto an existing gourd