Filters are used as a barrier to remove impurities from the water system and Plumbstock offer a range of filters from suppliers such as Adey and Fernox who have years of experience in the industry and provide the market leading central heating system filters. From dual-action magnetic and non-magnetic filters to complete packs which include a filter and required chemicals, all of which are available to have delivered or you are able to ‘click and collect’ at your local branch.