Whole House Heavy Metals Well Water Filter Replacement Set – 3 Stage Sediment KDF/Blend Carbon Block 20 In. Removes up to 99% of pollutants for safety and reliability. Fits any regular 4.5 in. Three-stage whole house system. Offers a filtration life of up to 100,000 gal for versatile use. Remove pollutants from your water with this Whole House Heavy Metals Well Water Filter Replacement Set – Three Stage Sediment KDF/Blend Carbon Block 20 in. It is designed to remove up to 99% of contaminants. This includes chlorine, lead, mercury and more. Brand/Model Compatibility: PRO+AQUA PRO-100-E Filtration System. Express Water Model #: WH300SCKS, WH300SCGS. ISpring Model #: WGB32B, WGB32BM, and WGB32B-PB. Universal fit for any 3 stage whole house system using standard 4.5″ x 20″ filter cartridges. Features: No additional features. Number of filters included: 3. Replacement Filter Type: Whole House Replacement Filters. Water Filtration System Type: Whole House. Water Treatment Type: Water Softener Filter Replacements, Whole House Filter Replacements. Customer service is our top priority! Please be sure to read the description thoroughly to make sure that this is the item you want before making a purchasing decision. We make every effort possible to accurately describe and depict the items. Please be aware that slight variations in color may be due to differences in lighting and computer monitor resolutions. Thank you for shopping with us. We appreciate your business! If ordering electrical items outside of the U. Please note that they will come equipped with a standard U. You will need a suitable adapter to use the item in your country. An adult signature will be required. Please be sure to have available help on hand to assist you with moving the item to the desired location in or outside of your home. When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. We do our best to process as quickly as possible. Orders are processed immediately and dispatched to fulfillment as soon as they are received. For this reason, we are typically unable to honor cancellation requests. If the order has gone too far through the fulfillment process, we will be unable to cancel. Please note that electronic items are only rated for use inside the United States. If you order an electronic item for use outside the USA, that is at your own risk. If the product gets damaged or does not work, you will be liable and we will not accept a return of the item.