Candle Filter vs Cartridge Filter Candle filters and cartridge filters are two common liquid filtration solutions in industries. Choosing the right filter type ensures optimal performance, longevity, and cost-effectiveness. 1. Candle Filter Candle filters, tubular filters, are cylindrical filtration units consisting of a housing filled with multiple filter elements (candles). https://www.yubofilter.com/news/candle-filter-vs-cartridge-filter.html