replaces  Aqua Medic Helix Max 80805, Coral Life 5 Watt, Fish Mate 5 watt,  Hozelock Cyprio BioForce 500, BioForce 250, Easy Clear 500, Eco Clear 500, UVC 1311, UVC 1312, UVC 1326, Vorton 500, Philips Lighting, 381863, PL-S-5w/TUV, Tetra Pond PLS5,  Therapure 101M, 201M, TPP2010,  UV Mini Pond Clarifier, UV5, Ushio 3000321, GPX5, 102mm in length, bi-pin