1. 100% Compatible! Fit with OE, RIC, ITC, ITE, CIC hearing aids .This Starkey wax guard filter fits all Starkey hearing aid models, such as Starkey Livio, Starkey Muse, and so on. It also Fits some Audibel models and other hearing aids with 1.2mm sound holes. 2. Higher quality, longer durability. For reasonable price, Our Starkey Hear Clear wax guard filters are made of high-quality rubber. No need to change the wax guard filters frequently so that save your money. 3. Super easy to replace the filters in less than a minute. Just use the removal end to remove the old filters, and use the cup end to install the new filters. Super quickly! 4. Function: to keep ear wax, dust, grease and moisture away from blocking the hearing aids and prevent dust from entering the hearing aid so that protect your hearing aids and increase the longevity of your hearing aids! Keep the hearing aids clean so that keep your ears healthy. There are three packaging options for our products: 1.Each order has 3 packages, equivalent to a total of 24 filters, and each package has 6 filters available for use. 2.Each order has 5 packages, which is equivalent to a total of 40 filters, and each package has 6 filters available for use. 3.Each order has 10 packages, equivalent to a total of 80 filters, and each package has 6 filters available for use.