- The extra-duty accessory is designed for older models with metal pan bottom.
- The accessory makes the older RollerFeeder heavy duty preventing any squirrel attempts.
- The extra-duty accessory does not fit or work with the newer wire grid model feeders.
- The newer style feeders have been on the market for over 5 years and incorporates the extra-duty accessory feature into the feeder – without the extra cost.