Replace the H-300-HSD cartridge (EV9270-75) yearly to reduce the following contaminants:

• Lead to below the Federal Action Level of 15 ppb
• Cysts such as Giardia lamblia, Entamoeba histolytica and Cryptosporidium parvum
• Volatile Organic Chemicals (VOCs), including THMs

This cartridge also reduces:

• Chlorine taste and odor
• Dirt and cloudiness
• Mold and algae
• Oxidized iron
• Oxidized manganese
• Oxidized sulfides
• Particles 1/2 micron and larger in size
• Limescale build-up in appliances that use water

The H-300-HSD cartridge features:

• A bacteriostat agent to combat the growth and reproduction of bacteria within the cartridge to prevent premature clogging
• A 1/2 gallon per minute flow rate
• A 300-gallon capacity