The Aquafine CSL series comes in 2 different versions. The CSL prior to 1999 featured a doubled-ended lamp and sleeve and those after 1999 and the CSL plus series feature a single-ended bi-pin winged lamp and a single end sleeve. The CSL-4R has been designed to integrate the treatment chamber and electrical enclosure into one unit at 53 gallons per minute. It features a lamp status indicator and running time meter with a single-ended lamp though with optional remote or UV monitoring options. The updated Plus version uses 4 lamps and sleeves.
- Lamp (Double End: 3084LM/3087/16676/16678 - Single End: 17491/18977-3/18059/18977-7) x4 - Replace every 12 months
- Quartz Sleeve (3184) x4 - Replace every 24 months or as needed