This exquisite PVC drain features a closing overflow, allowing the tub to be, "Over-filled" for that extra deep soak; required to ease both mind and body. Rotate the drain and the overflow fills partway. Rotate again, and the water will completely cover the drain for the ultimate in luxuriousness. The tub drain uses a European tip-toe drain. Press once to close and again to open. Sch 40 PVC fittings and pipes glue together for complete adjustability, making this ideal for extra deep or very long runs.