New Unicel C 8311 Spa Replacement Cartridge Filter Hayward Xstream (2 Pack) vehicles & parts vehicle parts & accessories vehicle safety & security vehicle safety equipment vehicle seat belt straps you’re playing a faithful recreation portable booster you’re playing a faithful recreation of the arcade experience Target specific muscle groups or use for optimizing your range of motion when rehabilitating after a strain or sprain End cap material: Plastic The end caps are made of durable plastic that resists damage from chemicals and include a 4 inch ID and open configuration (with molded gasket) for easy removal and replacement