05-0176-R American Water Service PT20, Aqua-Pure Systems UVLB-1X, ATS (Aqua Treatment Service) EV20E, ATS-4-810, Biolite BIO12, UVLB-1X, Cuno APUV-12, UVLB-1X, Glasco GS4305L, Ideal Horizons 42012, 42012, Master Water HIMSV-20, Neptune (Water Treatment & Accessories), Tri-20, WTA4-810, 5020, 5000, 5030, Purtest PT20, Wedeco 42012, GPH810T5L/4. The lamp is 39 watts, 810 mm in length, rated effective life 10,000 hrs., change once a year.

05-0510 uv lamp replaces Aqua-Pure Systems 56058-41, APUV24, APUV-5, APUV65, Cuno APUV-5, R-Can sterilight S463RL, S5Q, S5Q/2, S5Q-Gold, S5Q-Gold/2, S5Q-PA, S5Q-PA/2, SSM-24, SSM-24/2, S463RL
UV Germicidal Replacement Lamp 05-0510
   

05-0510 replaces Aqua-Pure Systems 56058-41, APUV24, APUV-5, APUV65, Cuno APUV-5, R-Can sterilight S463RL, S5Q, S5Q/2, S5Q-Gold, S5Q-Gold/2, S5Q-PA, S5Q-PA/2, SSM-24, SSM-24/2, S463RL, the lamp is 28 watts, 463 mm in length, rated effective life 10,000 hrs., change once a year. 
05-0512 uv lamp replaces Aqua Pure Systems 56058-06, R-Can Sterilight S12Q, S12Q/2, S12Q-Gold, S12Q-Gold/2, S12Q-PA, S12Q-PA/2, S24Q, S24Q/2, S24Q-Gold, S24Q-Gold/2, S36RL, SSM-39, SSM-39/2, SUV 24P-100P, S36RL
UV Germicidal Replacement Lamp 05-0512
   

05-0512 replaces Aqua Pure Systems 56058-06, R-Can Sterilight S12Q, S12Q/2, S12Q-Gold, S12Q-Gold/2, S12Q-PA, S12Q-PA/2, S24Q, S24Q/2, S24Q-Gold, S24Q-Gold/2, S36RL, SSM-39, SSM-39/2, SUV 24P-100P, S36RL. The lamp is 40 watts, 843 mm in length, rated effective life 10,000 hrs., change once a year.