Type: Swimming Pool Filter, Pool Filter, Swimming Filter Core, Filter Cartridge, Filter Element, filter ReplacementPlease note: these are not brand replacement parts, they are non-branded and compatible replacement parts.Provides clean and clear water by introducing our Type I filter cartridge, enjoy your unique leisure time.Features:Suitable for most spa models using Type I filters.Compatible with Bestway and Summer Waves.Can effectively adsorbs dirt.Easy to clean and install.Can collect hair, leaves, dust, sediment, sand, etc.For best results, clean filter cartridges often and replace every two weeks if used heavily.This is Non- Aftermarket Parts.Compatible Filter Pump Model:Bestway Type I FilterBestway 58093 330 gallon/hour Filter PumpSummer Waves Type I FilterSummer Waves SFX330, RX330 Filter PumpSpecifications:Material: PET, Non-woven fabricColor: Blue and whiteSize:Inner diameter: 3cmOuter diameter: 8cmHeight: 9cmPackage Content:4 x Pool Filter CartridgePlease Notes:Due to the different display and different light, the picture may not reflect the actual color of the item.Manual measurement of size may have an error of 1-2cm.