Aladdin Filter O-Ring Kits are the quick and easy way to service Cartridge, Sand and DE Filters. Aladdin has identified the parts needed to replace the O-ring seals in the most popular applications and packaged them together in one complete kit. Each kit also contains a package of Aladdin Magic Lube - the PTFE-based sealant/lubricant with the USDA H-1 rating for environmental safety or Magic Lube II - Silicone for valve kits.