Check the listing for details. KDF 85 (2 lbs) + KDF 55 (2 lbs) - Filter Media for Iron, Chlorine, Heavy Metal. Condition: New. Listed at 64.99 USD. 2 lbs of KDF85 and 1.9 Lbs of KDF55 2 lbs of KDF85 and 2 Lbs of KDF55 Description For sale: 2 lbs of KDF55 2 lbs of KDF85 Water filter media KDF Process Media are high-purity copper-zinc granules that use redox (the exchange of electrons) to remove chlorine, hydrogen sulfide, water soluble heavy metals and microorganisms from water. This highly-effective, patented alloy removes more than 95% of the free chlorine before it reaches your carbon bed so your carbon can concentrate on removing organics, thus extending its useful service life by up to 15 times. You'll discover yourself using less carbon and treating yourself to fewer carbon change-outs, smaller carbon beds and then smaller filters. With long-lasting, recyclable KDF Process Media, RO membranes and ion exchange resins will last longer. Track Page Views With Auctiva's FREE Counter