When you need to upgrade your tub or shower, turn to Grainger for our line of easily accessible walk in tubs and showers to freestanding shower stalls. Looking for repair kits? We even have the shower stall parts, shower parts, and tub parts you’ll need. Choose from our selection of water-saving showerheads, knob handles, valve repair kits, plus tub and shower cartridges to help keep your system running smoothly. Go to Grainger for your bathroom and plumbing supplies.