1 Quart Salt Block Feeder Size:1 quart Also comes in an alkaline

Also comes in an alkaline battery model

Includes a durable metal float cover and metal brackets for over-the-fence or on-the-wall installation (hardware not included)

just place it in your bird bath and let it go to work

Can safely operate in any plastic or metal tank without the use of a guard

1 Quart Salt Block Feeder Size:1 quart Also comes in an alkalineThis feeder holds a standard 4 lb. salt or mineral block. Raised ribs and drainage holes keep blocks dry. Contoured mounting plate has holes to allow for permanent mounting (hardware not included). Made of tough, impact resistant, high density polyethylene which protects against warpage, stress cracks, and UV damage. Measures 9. 31 inch long by 6. 06 inch wide by 5. 56 inch high, holds one 4 lb. salt block or 1 quart dry material (will not hold water).