This earwax filter is waterproof and oil-resistant, which can prolong the life of your hearing device by preventing earwax or water from being trapped inside. Mini size can fit most hearing aids for RESOUND, PHONAK, UNITRON, WIDEX, ACOSOUND, etc. (Do not fit for SIEMENS, Starkey). Feature: 1.Waterproof and oil-resistant filter, can prolong the life of your hearing device by preventing earwax or water from being trapped inside. 2.Made of quality material, which ensures durability of long time use. 3.Mini size, can fit most hearing aids for RESOUND, PHONAK, UNITRON, WIDEX, ACOSOUND, etc. (Do not fit for SIEMENS, Starkey). 4.Easy to install, make sure the older or other groups at ease. 5.8 Pcs / set, can meet your basic demand. Spec: Item Type: Hearing Aid Accessories Material: Plastic Color: As Pictures Shown Item Length: Approx. 4 cm / 1.6 inch Item Weight: Approx. 8 g / 0.3 oz Function: Earwax Guard How to use: 1.Use screenchanger to take out old filter. 2.Clean the edge of the horn on the hearing aid. 3.Use the other end to stick a new filter. 4.Install a new filter and make sure it firm. Package Include: 1* Set of Earwax Filter (8 Pcs) Notice: 1.Please confirm the filter installed firmly, preventing it from being trapped in auditory meatus. 2.Replace the earwax filter according to the circumstances after using every six months or one year. 3.Use brush to clean the earwax filter frequently. SATISFACTION & NOTICE If a medical condition exists, such as a perforated eardrum, or if an ointment is used, do not use the wax guard.We promises every customer a 100% shopping satisfaction, feel free to reach us if you have any questions about your purchase Bathroom Shower Organizer. We will give you a professional and detailed reply within 24 hours. Click to buy now!. HOW TO USE Firstly use screenchanger to take out old filter.Secondly clean the edge of the horn on the hearing aid. Then use the other end to stick a new filter.At last install a new filter and make sure it firm. HIGH QUALITY Hearing aid ear wax guard filters are made of quality material, which ensures durability of long time use.8 Pcs / set, can meet your basic demand. SUITABLE FOR Hearing wax guard mini size, can fit most hearing aids for RESOUND, PHONAK, UNITRON, WIDEX, ACOSOUND, etc. (Do not fit for SIEMENS, Starkey). FUNCTION Waterproof and oil-resistant filter, can prolong the life of your hearing device by preventing earwax or water from being trapped inside.Easy to install, make sure the older or other groups at ease.Best Sellers Rank: See Top 100 in Beauty & Personal Care. : B08PS5B9VL. Manufacturer: 01. Item model number: 01qecmv1za9d. Product Dimensions: 2.01 x 1.46 x 0.28 inches; 0.4 Ounces.