Cerustop Wax Guards (packs of 8) – £3.95 for a pack of 8 wax guards. Discounts available when purchasing multiple packs as below, free shipping is standard. Common on Phonak, Widex and Unitron hearing aids. Also ReSound RIE hearing aids that have S, HP2, Surefit and M&RIE receiver wires use cerustops too. (Older ReSound NP, HP and LP receiver wires use HF3 filters) 2 Packs = 10% Discount 3 Packs = 15% Discount 4 Packs = 20% Discount 10 Packs  = 36% Discount (bunmper discount for heavy users!) N.B. If you are using Phonak Audeo Marvel (M), Paradise (P) or Lumity (L) SDS 4.0 receiver wires you may need to choose Cerushield wax guards (a black cirular disc). Anything older than Marvel or the newest Infinio range use cerustops. Cerustop and Cerushield are incompatible with each other, please take care when ordering. N.B. The packaging for cerustops look the same as similar wax guard products available for other manufacturers. Please note that Cerustop, Starkey Hearclear and Siemens Signia miniReceiver wax Guards are NOT interchangeable. Please note – we only ship to UK postal addresses.