Description: Easy to install, maintain and replace, this cartridge holder is very easy to apply and with its precise dimensions and good compatibility, it can be used in most models. With great filtration to remove dirt, this cartridge holder is an important part of keeping the filtration system working and keeping the hot tub water clean. It is constructed of PVC material. This cartridge holder is 14.5 cm long and 11.5 cm wide. It is suitable for Bestway VI compatible with Lay-Z-Spa 54123. Item Name: Filter Holder Material: PVC Features: Tear-resistant, Good Filtration, Keep Water Clean Size Details: Filter Holder Size: 14.5cm x 11.5cm/5.71" x 4.53" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Style A: 1 x Filter Holder or Style B: 1 x Filter Holder 1 x Filter