Philips Sonicare electric toothbrush replacement heads 8 for £34.99 using code (equals £4.37 each) -- collect free from local Boots shop
Best current price if you can't find the Tesco clearance deal. The electrical beauty code worked on this pack of 8 Sonicare heads, with free collection from my local Boots. 136 Advantage points too! Code is EBJQM30.