Coleman Lay-Z Spa Replacement Cartridges PackageQuantity: 2, Model: 58323, Home & Garden Store Description Bestway Type VI Filter Cartridge. Measures 4.2" x 3.1" (10.6cm x 8.0cm). Replacement cartridge for Lay-Z-Spa and Saluspa. Easy to clean. Twin pack Features: Product Details: Product Dimensions: 6.81 x 4.02 x 3.98 inches Item Weight: 0.01 ounces Manufacturer: Bestway Country of Origin: USA Item model number: MT-PN-28906697 Is Discontinued By Manufacturer: No