Hayward Strainers & Filters Include: Basket Strainers, SB Series Simplex, DB Series Duplex and Baskeet Replacements. Y- Strainers Include: YS Series & Y-Series Screen Replacements. Bag Filter & Bags Include: FLV Series GFPP, PVC & CPVC Material and Filter Bags. Catrtridge Filters & Cartridges Include: CFLV Series, FLT Single Cartridge Filters & Replacements. We also carry the LS Series Aquatic Sand Filters.