Pentair 071439 O-Ring Replacement SM and SMBW 4000 Series Pool or Spa DE Filter

This O-Ring is designed to use with Pentair SM & SMBW 4000 series pool and spa D.E. filters.

• Pentair Purex SMBW 4000 Filter Lid O-Ring 071439
• Lid O-Ring
• SMBW 4000 Filter Lid O-Ring
• Purex SMBW 4000 Filter Lid O-Ring