1 x CR1220 Cleartap Replacement Readout Battery
for the: Ideal Standard ClearTap™ The Water Filtering Kitchen Tap, get the most from your tap, make sure you have a spare battery to keep your tap performing at it's best level! Ours cost only: £1.82 the RRP is: £2.99 -- Saves you: £1.17!

Technical specification
type~~Coin Button Batteries
Chemistry~~ Lithium Manganese Dioxide
Operating Temperature~~ -40 to +60
Rechargeable~~No
Voltage~~ 3V
Manufacturer Part No.~~ CR1220
The first two numbers are the diameter in MM The second are the depth with a decimal point height
Diameter~~ 12.5mm
Battery Cell Size~~ Coin
Height~~ 2.5mm
Mounting~~ Direct
Width~~ 10mm