3 dKH ±5 % of reading 610 nm Colorimetric Method

Expiration date and lot number

Unpleasant taste and odor

Drinking water treatment and distribution testing

9V Battery: 150 hours of continuous use

NuvoH2O Manor Duo Replacement Cartridge & Chloramine Filter 810666000487 3 dKH ±5 % ofNuvoH2O Manor Duo Replacement Cartridge & Chloramine Filter Keep your Manor Duo System performing at its best. This official replacement set includes both the salt free water softening cartridge and the chloramine filter everything you need to maintain soft, great tasting water throughout your home. Why Replace on Schedule? Each cartridge and filter is rated for approximately 50,000 gallons or 6 months, whichever comes first. Timely replacement