Pet Aspects 384 Nectar Guard Tips. Nectar， Guard， Tips， Garden， &， Patio， Home， &， Garden， Items， Grills Supply Store/Shop</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Nectar guard tips - pack of 12</li><li>Nectar guard tips - pack of 12</li><li>The flexible membrane in the center of each tip easily opens when hummingbirds insert their beaks to feed and close up tight when beaks are removed</li><li>Small in size</li><li>Works with HummZinger Ultra and Fancy Hummingbird Feeder ONLY</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41hnNzg9qjL.jpg' noproxy></br>