Perky-Pet replacement yellow bee guards 205Y offer a convenient and economical way to prolong the life of your hummingbird feeders. Compatible with Perky-Pet models 203CPBN, 203CPBR, 204CP-4 and 403CP, these bee guards feature a raised cage around each port to prevent bees from accessing the nectar, providing undisturbed feeding for your hummingbirds. Includes 4 bee guards per pack.