Oticon has two varieties of Prowax filters for its hearing aids. One variety has a gray applicator handle, and the other variety has a black handle. Now our Oticon ProWax Filters has a gray applicator handle , Before buy , PLease Reading below the details,Thanks (3 PACKS)The Wax Guard filters for most Oticon CIC, ITC and IIC hearing aids. It replaced the discontinued NoWax filters. the Prowax for Intiga, Vigo, Vigo Pro, Dual Delta, INO, INO Pro, Acto, Acto Pro, Epoq, Agil, AgilPro and any oticon power receive Molds speaker 100 105. If your hearing aid is an MiniFit Receiver speaker of 60 85 100 , the Oticon ProWax Filters is NOT for you to use, Please DON'T purchase this setNotice: If a medical condition exists, such as a perforated eardrum, or if an ointment is used, do not use the otcion Prowax guard. The Oticon prowax minifit Function : dustproof, anti-earwax, protect the hearing aid movement, and prevent foreign objects from entering the hearing aid and affecting the normal operation of the hearing aid. Oticon prowax filters Not for standard speaker of 60 85 100 miniFIT receiver wires such as Oticon Opn, Opn S and Opn play series, Xceed and Xceed play series, Siya family, Ruby family, Dynamo, Alta, Nera and Ria RITE and miniRITE. and newer receiver in the ear model hearing aids of Oticon . ProWax Filters for most Oticon CIC, ITC and IIC hearing aids. It replaced the discontinued NoWax filters. The oticon Prowax for Intiga, Vigo, Vigo Pro, Dual Delta, INO, INO Pro, Acto, Acto Pro, Epoq, Agil, AgilPro and any oticon power receive Molds speaker of 100 105. Our Wax Guard filters with 3 pack per order which equals out to a total of 18 filters each pack comes with 6 filters to use from.Best Sellers Rank: See Top 100 in Health & Household. : B0B5G7C9SM. Manufacturer: HaiYouChuang. Date First Available: June 29, 2022. Package Dimensions: 4.06 x 2.48 x 0.67 inches; 1.13 Ounces.