It is compatible with most of the classic toilets. It is compatible with round and elongated up to 15" width.
KMINA 4 Inch Soft Raised Toilet Seat with Lid, 300 lb Capacity, Fits Round & Com
Raised Toilet Seat with Handles & Lid – Black, 4-Inch Soft Cushion, 2-in-1 Remov
4" Inch 10cm Raised Toilet Seat With Lid Heavy Duty High Elevated Raiser Aid
AquaSense 770-610 4 Inch Portable Raised Toilet Seat Riser, Elevated Toilet Seat
Aidapt 100mm (4 Inch ) Elevation Raised Comfortable Toilet Seat Easy Fit White
