eBay UK has numerous listings, including multi-packs with free shipping.
PetShop.co.uk provides subscription ("Bottomless Bowl") discounts, often pricing it at ~£15.59. : indorex flea spray where to buy
Online retailers often offer competitive pricing and bulk buy discounts. : eBay UK has numerous listings, including multi-packs with
Amazon UK features various sellers with prices typically between £14.20 and £14.89, including "Subscribe & Save" options. eBay UK has numerous listings
OnBuy offers options from third-party sellers ranging from ~£15.79 to £17.99. Where to Buy In-Store (High Street)
Pet Drugs Online offers single cans for approximately £11.99 or twin packs for £23.98.