Anton C03771 Sprint Pro Oil Boiler Kit Spare 3 Micron Filter This is the replacement 3-micron filter for the Anton Sprint Pro oil boiler kit (C03767/S). When the filter becomes clogged with oil combustion residue, this spare keeps the oil boiler test kit serviceable, maintaining the level of protection the 3-micron filtration provides for the analyser's sensors and pump when testing oil-fired appliances. Regular replacement is a straightforward way to keep the oil boiler kit performing as intended, without needing to replace the whole filter bowl assembly. Key Features & Benefits Replacement Filter for the C03767/S Oil Boiler Kit: Keeps the oil boiler kit serviceable when the existing filter is clogged or saturated. 3-Micron Filtration: Correct s