Used to transfer from outside the tub to inside, extra wide seat allows you to sit and slide versus making an unsafe step into the bathtub. Verify dimensions and weight capacity. FVHS does not provide any warranty on seat nor offer refunds or returns on used seats. We will offer you the opportunity to try seat in a dry setting prior to commitment, if the seat is not what you are expecting, let your installers know and the unit can be deducted from your final balance. We always recommend a wall mount seat or bench for maximum safety and comfort. No installation fees when combined with a tub or shower installation.