Keep your kitchen clean and the air in your house fresh with the John Lewis JLHDIISLAND1FILT Cooker Hood Filter. Regular replacement of your cooker hood filter will prevent the build-up of grease and grime, allowing your cooker hood to effectively reduce unwanted odours and smoke in your home. We recommend replacing the filter every 3 to 4 months, depending on the usage of the hood. 2 per pack, suitable for use with model numbers JLCEILHD87, JLHDA916, JLHDA918.