Need more information from our Technical Support staff? Please contact us by telephone, fax or e-mail.

• Filter Hotline: 1-800-882-0890 (toll-free) or 1-618-445-5392
• Send us a fax at: 1-618-445-5292
• E-mail us using our convenient online form (English only)

The business hours for Technical Support staff are as follows:

• Monday through Friday
  7:00 AM - 7:00 PM (Central Time)
• Saturday
  7:00 AM - 5:00 PM (Central Time)
• Sunday
  Closed

Holiday schedule and hours for Technical Support staff:

• May 31
  Memorial Day
  Closed
• July 4
  Independence Day
  Closed
• September 6
  Labor Day
  Closed
• November 25
  Thanksgiving
  Closed
• December 24
  Christmas Eve
  7:00 am - 2:00 pm
• December 25
  Christmas Day
  Closed
• December 31
  New Year's Eve
  7:00 am - 2:00 pm
• January 1
  New Year's Day
  Closed