Songbird Essentials Dr. JB Switchable 80 oz Feeder Expand this hummingbird feeder for the August to October Hummingbird rush. Switchable Seasonal Sizing is here. This system allows you to cater to your Hummer population by offering several sizes of replacement bottles, all that fit perfect on your Dr. JB's Clean Feeder making the best Hummingbird feeder on the market even better! Features Wide 'olive jar size' mouth for easy bottle cleaning; Easy to clean base dishwasher safe ; Doesn't leak, making it Bee and Wasp free; Allows you to cater to increased nectar consumption during migration season; No more going home at lunch just to fill your feeders. This item ships from a separate warehouse and may require extra time for delivery.