The Trojan S810RL is the correct replacement UV lamp for the following systems:
The Trojan Sterilight S810RL Replacement Bulb - S8Q-PA is a replacement UV lamp for 10 gpm Sterilight UV filtration systems. This Trojan UV light has a bulb life of 9000 hours and features germicidal technology that helps kill germs and viruses. This S8Q-PA UV light replacement has a green bulb base and ceramic cap.
Trojan Sterilight S810RL Replacement Bulb - S8Q-PA specifications: