Phillips replacement UV filter bulbs.
4 pin connection on one end of bulb only.
- 16w bulb suitable for ST11 (11 l.p.m) - Approx. 410mm UV system length
- 25w bulb suitable for ST22 (22 l.p.m) - Approx. 640mm UV system length
- 40w bulb suitable for ST45 (45 l.p.m) - Approx. 938mm UV system length
- 75w bulb suitable for ST75 (75 l.p.m) - Approx. 938mm UV system length