PlusRite

05-0323R replaces Amilair BE18, BE18TWIN, Cal Pump BF2000, UV18 (2006 & before), Calutech Air Purifier 900318, 9002MB, Mini Blue, Catfish Lighting 18 watt, Coral Life 77084, 6x, Phili-ps Lighting PL-L18w/TUV/4P, PLL18WTUV, TUV18, Purely UV Products PUVG1118, Tetra Pond PUV2500, PUV4000, UV2 Pond Clarifier, UV2, Ultravation LPPP0001, UVE-2000 it is 18 watts and 220 mm in length.