The Brita Pitcher 3 Pack is a replacement filter cartridge that fits the the following Brita Pitchers models:

• Classic
• Riviera
• Slim 
• Other Brita products that call for the OB03 filter cartridge

The Brita OB03 Replacement Pitcher Filter 3-Pack 35503 meets the following standards:

NSF/ANSI Standard No. 53 for reduction of:

• -Lead
• -Mercury

NSF/ANSI Standard No. 42 for reduction of:

• -Chlorine
• -Taste & Odor
• -Zinc

This Brita pitcher replacement needs to be replaced every 40 gallons or 2 months. If used with water cooler 2 Brita pitcher filters are required and they should be changed every 80 gallons or 4 months.

Recycle your used Brita pitcher cartridges with Brita's recycling program.