Pack of 2 filters compatible with Bestway Lay-Z-Spa hot tubs with filter pumps using a size VI filter cartridge. Approximate dimensions: 10.6 x 8 cm. Compatible with all Bestway Lay-Z-Spa models using size VI filter, including Miami, Vegas, Palm Springs, Paris, Monaco, BW54112, BW54129, BW54113 and more. Compatible to replace part numbers BW58239, 58323, A-BW58477. Please note this is a compatible spare part and the manufacturers brand names and part numbers have been used for reference purposes only. All trademarks remain the property of their owners. Please check that your existing filter part number or dimensions match this filter to confirm compatibility. Replace the filter as recommended by the pump manufacturers. The hot tub filters are made with a combined density micro membrane fabric for a large filtration area and dirt holding capacity while allowing good flow and long filter life. Also has a solid inner core for high pressure resistance and anti-microbial end caps with chlorine resistance for long filter life. Pack of 6 filters compatible with Bestway Lay-Z-Spa hot tubs with Flowclear filter pumps using the size VI filter cartridge. Approximate dimensions: 10.6 x 8 cm. Please check that your existing filter reference or the dimensions match this filter to confirm compatibility. Replace filter as recommended by pump manufacturers. Compatible with: All Bestway Lay-Z-Spa models using the Size VI filter, including Miami, Vegas, Palm Springs, Paris, Monaco, BW54112, BW54129, BW54113 and more. Compatible to replace references BW58239, 58323, A-BW58477. Please note this is a compatible spare part, manufacturers' marks and part numbers have been used for reference purposes only. All trademarks remain the property of their respected owners. The hot tub filters are made with a combined density micromembrane fabric for a large filtration surface area and dirt holding capacity while allowing for good flow and long life. Also includes a strong inner core for high pressure resistance and anti-microbial end caps with chlorine resistance to provide long filter life.