© Robert Donnan Hearing Aid Dispenser, Registered with the HPC Rayovac top quality, new stock, hearing aid batteries in sizes 10, 312, 13 and 675 to suit ALL hearing aids. Normally selling for £2.99 to £4.99 for 6, OUR PRICE IS £1.39 Cerustop wax guards, pack of 8 to suit many in-the-ear and receiver-in-the-ear aids. Normally selling for £7.99, OUR PRICE IS £4.49