Duracell Activair size 312 mercury free hearing aid batteries, colour coded brown. Discounts available when purchasing multiple packs as below, free shipping is standard. Used mainly for on the ear (RIC / RITE) and canal (ITC) hearing aids. 1.45v. Typically over 3 years of shelf life. Easy long tab applicator for those with dexterity issues. Please select the quantity you require from the drop down box. 1 pack (6) = £2.95 5 packs (30) = £10.95 (Discount 24%) 10 packs (60) = £16.90 (Discount 43%) Please note – we only ship to UK postal addresses.