Equivalent UV Germicidal Replacement LIT DB 250 HO uv lamp is 262 watts,  675 mm in length.  rated effective life 16,000 hrs., change once a year.

Each lamp tube adopts advanced mercury amalgam formula. The optimal mercury amalgam formula controls mercury vapor pressure and solidifies mercury, resulting in a wide working temperature range for stable light output; Maintain high-intensity ultraviolet dose output even in environments with high working temperatures.
Each lamp adopts the best coating technology to maintain high ultraviolet transmittance and extend the service life of the lamp tube.