This 3 piece 20" UV kit is Compatible with Viqua VH410 UV System
Lamp & Filter Kit includes:
- Viqua Compatible UV Lamp - L-510-45-ST
- 20 micron Polyester Pleated Filter - 20JPL20
- 1 micron Sediment Depth Filter - SDC-45-2001
*It is recommended that you read the instructions in the Viqua VH410 Service Manual on Lamp Replacement, as the 365 countdown ballast will need resetting to 365 days.