[Compatibility] Fits for models C. C4. D. D Plus. D4. D4 Plus. IHS12-D4. [Fitment] Fits for pelican water UV systems only. [Parameter] 43W. 4 pin style lamp. Low pressure high output lamp with black base. Effective Replacement: Affordably priced replacement for the 602805 UV lamp. Please note:the physical slightly color difference or difference. does not affect the use. please do not mind. thank you! Color:As Shown Material:glass Package Contents: 2 x 602805 Replacement UV Lamp Only the above package content. other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.