5350110.222 - Cadet 3 Slow Close Elongated Toilet Seat - LinenAmerican Standard 5350110. 222 Cadet 3 Slow Close Elongated Toilet Seat Linen The American Standard Cadet 3 Slow Close Elongated Closed Front Toilet Seat features solid plastic construction for long lasting resilience. With a telescoping lid that conceals the seat when shut, the design features an EverClean antimicrobial surface to help prevent the growth of mold, mildew and bacteria that cause stains and odors, keeping your toilet cleaner over time.