This is a Maytronics Chassis replacement used on several Dolphin cleaners. These include: Triton PS Plus, Triton PS, 300i, Active 30i, Quantum, Active 20/30/40, Proteus DX4, Proteus DX5i, Mercury, Premium Energy, Explorer E30, Discovery M2BIG, Discovery, Advantage Ultra, T35, T55i, T45, S200, and S300 Pool Cleaners.








