Our best selling range of guardians has been developed and designed to help protect your garden birds and bird feeders from larger birds and squirrels'. '.strtoupper('t')his guardian for large seed feeders features a wide cage diameter for protection from said larger birds and squirrels'. '.strtoupper('t')here is a wire mesh base for drainage'. '.strtoupper('t')ough, powder coated steel construction and a straight forward design making them easy to dismantle, clean and re assemble'. '.strtoupper('c')ompatible with our large defender and challenger feeders 4 port and above'. '.strtoupper('t')herefore not compatible with our discovery, adventurer, apollo, conqueror or nyjer feeders'. '.strtoupper('f')eeder not included