The more radiators there are, the bigger the magnetite problem. The answer is our MagnaClean Professional2XP. With extra filter capacity, it's been designed specifically to handle the volume of larger systems. The Pro2 XP delivers protection against the damaging effects of black iron oxide sludge, and non-magnetic debris. Unlike other filters, it features; specially designed 28mm valves, ultra-thin sheath, dual capture chambers, larger canister, and sludge capacity.