Senko SCK-SS-250-R Replacement Cartridge for SCK-SS-250 (3pcs)

Senko's Smart Cleaner is composed of a replaceable cartridge containing the cleaning string and the retaining handle which holds it. The handle unit and the cartridge are sold as one unit, while replacement cartridges may also be purchased separately. Each pack contains 3 replacement cartridges (750+ Cleanings for each cartridge).