The Trojan S287RL is the correct replacement UV lamp for the following systems:
The Trojan Sterilight S287RL Replacement Bulb - S1Q-PA fits several ultraviolet water disinfection systems from Sterilight. This Trojan UV lamp has a life of 9000 hours and features germicidal properties that kill germs and viruses. This S1Q-PA UV light replacement has a green bulb base and ceramic cap.
Trojan Sterilight S287RL Replacement Bulb - S1Q-PA specifications: